The Four Preparatory Stages: From Knowing to Seeing

I. Introduction: After the Map

You have learned the hundred dharmas. Now what?

The preceding eleven papers in this series have unfolded the hundred dharmas from their overarching framework down to the form dharmas. The reader now understands how the eight consciousnesses operate, how the fifty-one mental factors are configured, and how form dharmas are projections of consciousness. But knowing all this and personally verifying that "all dharmas are without self" remain separated by an enormous distance — a distance that corresponds precisely to the "Path of Intensified Practice" (prayoga-avasthā) in the Yogācāra five-stage model.

The five stages of the Yogācāra path are:

1. Path of Accumulation (sambhāra-avasthā): Developing wisdom through study and reflection; gathering merit and wisdom provisions
2. Path of Preparation (prayoga-avasthā): Four investigative contemplations and four realizations of actuality; progressively contemplating emptiness ← Focus of this paper
3. Path of Seeing (prativedhāvasthā): True seeing of the path; non-discriminating wisdom arises
4. Path of Cultivation (bhāvanā-avasthā): The ten grounds; repeatedly removing obstructions
5. Path of Completion (niṣṭhā-avasthā): Full Buddhahood

The practitioner at the Path of Accumulation has already studied Yogācāra doctrine in depth and achieved a solid understanding of the hundred dharmas' classification and principles. But this understanding remains at the level of inferential knowledge (anumāna) — knowing through reasoning rather than direct experience. The task of the Path of Preparation is to transform this inferential knowledge into contemplative insight (prajñā) that approaches direct perception (pratyakṣa).

Here lies an exquisite paradox: the practitioner at this stage uses a mode of observation that still "grasps something" to contemplate "consciousness-only without external objects." In meditation, they build up the understanding that "everything is consciousness-only," but this very understanding is itself a kind of apprehended object. The Cheng Weishi Lun captures this stage in a single verse:

現前立少物，謂是唯識性，以有所得故，非實住唯識。

"What is set before the mind as something small, taken to be the nature of consciousness-only — because there is still something apprehended, one does not truly abide in consciousness-only."

The treatise comments: "The bodhisattva, having in the first incalculable eon well prepared the provisions of merit and wisdom, and the aspects conducive to liberation being fully complete, then cultivates the intensified practice to subdue the dual grasping, in order to enter the Path of Seeing and abide in the nature of consciousness-only. These are: warmth, summit, patience, and supreme worldly dharma. These four are collectively called 'aspects conducive to decisive discrimination,' because they tend toward the true decisive discrimination. Being close to the Path of Seeing, they are named 'intensified practice' — this does not mean the prior Path of Accumulation lacks the character of practice."¹

This verse is the key to understanding the Four Preparatory Stages: the practitioner "sets up something small" — constructs in the mind the cognition "this is consciousness-only" — but precisely because there is still "something apprehended" (an object being cognized), they have not yet truly settled into consciousness-only. The entire work of the four stages is to progressively dissolve this residual "grasping at something," until subject and object both vanish and the practitioner passes without interruption into the Path of Seeing.

II. Scriptural Foundations: The Doctrinal Architecture of the Four Preparatory Stages

2.1 The Path of Accumulation — A Car Without Fuel Cannot Move

Before discussing the Four Preparatory Stages, we must squarely face a premise severely underestimated by modern practice culture: the Path of Accumulation is the foundation of the Path of Preparation. Without sufficient accumulation, none of the contemplative methods at the preparatory stage can function.

This is not a polite disclaimer. The "provisions" (sambhāra) of the Path of Accumulation — provisions of merit and provisions of wisdom — are the fuel that powers the contemplative insight of the Four Preparatory Stages. A car with the most sophisticated engineering will not move if the tank is empty. No matter how elegant the structure of the four investigative contemplations, without a sufficient foundation of learning, reflective wisdom, moral conduct, meditative concentration, and bodhicitta, the practitioner simply cannot enter the state needed for genuine contemplation. At best, they imagine at the conceptual level that they are "contemplating emptiness" — which is merely another round of knowledge consumption.

乃至未起識，求住唯識性，於二取隨眠，猶未能伏滅。

"Until the awareness [of the Path of Preparation] has not yet arisen, [the practitioner] seeks to abide in the nature of consciousness-only, yet cannot yet suppress or eliminate the latent tendencies of the dual grasping."

The treatise comments: "From the arousing of the profound and firm great bodhicitta, up to the point before the arising of the awareness conducive to decisive discrimination, seeking to abide in the true ultimate nature of consciousness-only — all of this falls within the Path of Accumulation, because one is gathering various superior provisions in order to advance toward unsurpassed perfect awakening. Because one strives for liberation for the sake of sentient beings, this is also called 'aspects conducive to liberation.' The bodhisattva at this stage, relying on the four superior powers of causes, spiritual friends, mental engagement, and provisions, deeply trusts and understands the meaning of consciousness-only — yet has not yet comprehended the emptiness of the apprehended and the apprehender. Dwelling mostly outside the gate, practicing the bodhisattva path externally, and therefore unable to suppress or eliminate the latent tendencies produced by the dual grasping, or to prevent the dual grasping from manifesting."²

This passage is critical. "Deeply trusts and understands, yet has not yet comprehended the emptiness of apprehended and apprehender" — the bodhisattva at the Path of Accumulation has no doubt about the Yogācāra teaching, but conviction is not realization. "Dwelling mostly outside the gate, practicing the bodhisattva path externally" — still "outside the gate," accumulating the capital needed to enter through the practice of the six perfections. Kuiji, in his commentary on the Heart Sūtra, makes the distinction even more explicit:

"As for this emptiness-nature: at the Path of Accumulation, through hearing and reflection, one mostly just trusts and understands it. Only at the Path of Preparation does one purely cultivate contemplation — though both are called 'illuminating,' because they still bear characteristic appearances, one has not yet realized the truth. Only when abiding on the ten grounds, giving rise to uncontaminated contemplation and penetrating the true principle, does one actually illuminate emptiness."³

The Cheng Weishi Lun further describes three forms of discouragement that practitioners at the Path of Accumulation face:

"Though the two obstructions at this stage have not yet been subdued, when cultivating superior practices there are three kinds of discouragement, yet the practitioner can temper their mind through three methods, remaining valiant and non-retreating in what is to be realized and practiced: First, hearing that unsurpassed perfect awakening is vast and profound, the mind becomes discouraged — one tempers one's own mind by drawing on others who have already realized great awakening, remaining valiant and non-retreating. Second, hearing that giving and the other perfections are extremely difficult to practice, the mind becomes discouraged — one examines one's own aspiration and capacity for giving and the rest, tempering one's mind to remain valiant and non-retreating. Third, hearing that the complete transformation of the basis attained by all Buddhas is extremely difficult to realize, the mind becomes discouraged — one draws on others' coarser virtues to encourage one's own subtler causes, tempering one's mind to remain valiant and non-retreating."⁴

These three forms of discouragement are strikingly realistic: shrinking upon hearing how vast awakening is; shrinking upon hearing how difficult the perfections are to practice; shrinking upon hearing how nearly impossible the full transformation of the basis is to achieve. This is not ancient exaggeration but the psychological process that every person who seriously confronts the path will experience. The three forms of tempering are equally practical — not "don't be afraid," but: look to those who have already accomplished it as mirrors; examine your own aspiration; use others' modest goodness to encourage your own finer causes.

Kuiji, in his Commentary on the Diamond Sūtra, points directly to the transitional condition between the Path of Accumulation and the Path of Preparation:

"Though in the three stages of wise practice one has 'unsystematically' cultivated the six perfections for one incalculable eon, to enter the holy path requires the Buddha's impetus. Therefore, after the Path of Accumulation, the name 'intensified practice' is established. It is like drilling for fire — when the fire is about to emerge, one redoubles one's effort."⁵

"Unsystematically cultivated the six perfections for one incalculable eon" — the word "unsystematically" (亂) is not pejorative; it means that the practice at the Path of Accumulation has not yet adopted the systematic contemplation-of-emptiness sequence, but the accumulated merit and wisdom provisions are real. "Like drilling for fire — when the fire is about to emerge, one redoubles one's effort" — the fire-drilling metaphor pervades the entire teaching of the four stages. The Path of Accumulation is the long, sustained drilling motion; the Path of Preparation is the final intensification as fire approaches; the Path of Seeing is the moment the flame bursts forth.

The core work of the Path of Accumulation encompasses at least three dimensions:

First, completeness of the study-and-reflection foundation. The practitioner must have a solid understanding of Yogācāra doctrine — particularly the hundred dharmas' classification, the three transformations of consciousness, and the three natures and three absences of nature. This is not a casual familiarity but a mastery that can be accessed and flexibly deployed during meditation. The preceding eleven papers in this series constitute part of this study foundation. But merely reading those papers is far from sufficient — one must reflect repeatedly and integrate the material until this knowledge transforms from "information stored in memory" to "an instinct of thought."

Second, a foundation of actual practice in moral discipline and meditative concentration. The four investigative contemplations of the Path of Preparation are not philosophical analysis performed at a desk — they are observations conducted within meditative absorption. The "luminosity-attaining concentration" that supports the warmth stage itself requires a considerable degree of calm-abiding and insight capacity. Without stable meditative skill, the practitioner cannot sustain or deepen the observation of name, meaning, self-nature, and distinction as conventional designations. This is like asking someone who has never learned to swim to perform precision underwater work — the issue is not poor technique but the fundamental inability to enter that environment.

Third, the genuine arising of bodhicitta and the aspiration for liberation. The five Yogācāra stages describe the path of the Mahāyāna bodhisattva. The practitioner at the Path of Accumulation is not merely "a scholar interested in Buddhist philosophy" but someone who has genuinely awakened the aspiration to seek Buddhahood above and benefit all sentient beings below (bodhicitta), together with a deep revulsion toward the suffering of cyclic existence. This motivation is the engine of the entire path — without it, even if contemplative insight briefly arises, it lacks the momentum for sustained deepening.

The temporal span of the Path of Accumulation is vast. The scriptures state that it takes "one great incalculable eon" of practice to progress from the Path of Accumulation to the Path of Preparation.⁶ The point of this number is not the literal duration but the message it conveys: foundations cannot be skipped. Modern people are accustomed to "fast-tracking," but the Yogācāra path of practice explicitly tells you — attempting to enter the contemplative methods of the Path of Preparation without sufficient accumulation will not yield the genuine contemplative insight of the four investigative contemplations. It will only produce another layer of conceptually imputed "I have already contemplated emptiness."

This is precisely why the present paper is placed at the end of the S3 series rather than the beginning — the reader needs to have completed the full study of the hundred dharmas (the provisions of learning-based wisdom) before having the foundation to understand what the Four Preparatory Stages are describing. And from understanding to actual practice, there is still a long road ahead.

2.2 Warmth (uṣmagata) — The First Kindling of Wisdom-Fire

Warmth, like the heat generated before fire emerges from drilling, is the harbinger of the sacred fire about to be born. At this stage, the practitioner, relying on the "luminosity-attaining concentration" (ālokāgama-samādhi), employs the four investigative contemplations (catvāri paryeṣaṇāni) for the first time to examine all phenomena.

"Relying on the luminosity-attaining concentration, one develops the lower investigative contemplations, observing that the apprehended does not exist — this is established as the warmth stage. At this stage, one first observes that the four — name, meaning, and the rest — that constitute the apprehended are all transformations of one's own mind, conventionally designated as existent but in reality unattainable. Because one first obtains the precursor of the sun of wisdom, it is named 'luminosity-attaining.' Because this is the precursor of the fire of the path, it is also named 'warmth.'"⁷

The objects examined by the four investigative contemplations correspond exactly to four aspects of the hundred dharmas:

Contemplation of name (nāma-paryeṣaṇā): Observing that the "names" of the hundred dharmas are merely conventional designations. The label "ālaya-vijñāna" is not the actual operation of the ālaya-vijñāna; the tag "craving" is not the mental factor of craving itself. Names are linguistic conventions, not the essence of things.

Contemplation of meaning (vastu-paryeṣaṇā): Observing that the "meanings" (objects/referents) to which the hundred dharmas point are also constructions of mental activity. We assume that names point to independently existing "things," but those "things" are themselves projections of consciousness.

Contemplation of the conventional designation of self-nature (svabhāva-prajñapti-paryeṣaṇā): Observing that the "self-nature" assigned to each dharma is a conventional designation. When we say "the self-nature of the mental factor 'contact' is bringing together sense faculty, object, and consciousness," this definition itself is a conceptual construct — not the "true face" of contact.

Contemplation of the conventional designation of distinction (viśeṣa-prajñapti-paryeṣaṇā): Observing that the "distinctions" between dharmas are also conventional designations. Wholesome and unwholesome, conditioned and unconditioned — these classificatory frameworks are skillful means for practice, not ultimate realities.

The Yogācārabhūmi provides the canonical definition:

"What are the four kinds of investigative contemplation? First, contemplation of name; second, contemplation of thing; third, contemplation of the conventional designation of self-nature; fourth, contemplation of the conventional designation of distinction. Contemplation of name: the bodhisattvas, regarding name, see only name — this is called contemplation of name. Contemplation of thing: the bodhisattvas, regarding thing, see only thing — this is called contemplation of thing." And so on for self-nature and distinction.⁸

The defining feature of the warmth stage: the practitioner begins to destabilize their attachment to verbal concepts, but contemplative insight is still shallow and regression remains possible.

2.3 Summit (mūrdhan) — Contemplative Insight Intensifies

Summit, like reaching the peak of a mountain, is where the four investigative contemplations reach their most acute and penetrating level. The practitioner, relying on the "luminosity-increasing concentration" (ālokābhivṛddhi-samādhi), wields the four contemplations with greater clarity and power.

"Relying on the luminosity-increasing concentration, one develops the higher investigative contemplations, observing that the apprehended does not exist — this is established as the summit stage. At this stage, one re-examines the four — name, meaning, and the rest — that constitute the apprehended, seeing that all are transformations of one's own mind, conventionally designated as existent but in reality unattainable. Because the aspect of luminosity has become more intense, it is named 'luminosity-increasing.' Because this is the culmination of the investigative contemplation stages, it is also named 'summit.'"⁹

The paradox of the summit stage is that it is the tipping point between advance and retreat. Contemplative insight has grown powerful, but the decisive, irreversible breakthrough has not yet occurred. Like standing on a mountain peak, one can proceed forward into patience — or slip back due to afflictive interference.

Vasubandhu, in his commentary on the Madhyāntavibhāga, explains "summit" through three meanings:

"Summit has three meanings. First: as the crown of a person's head supports life, so too for the practitioner — upon reaching this stage, the wholesome roots can no longer be severed. Second: as a mountain summit is the boundary of retreat — some, having reached the summit, turn back. So too for the practitioner — some, having reached this stage, remain in the preparatory phase without advancing, and so it is called retreat. Third: as a mountain summit is the boundary of advance — some, having reached the summit, ascend further. So too for the practitioner — some advance from this stage into the superior stage, and so it receives the name 'summit.'"¹⁰

2.4 Patience (kṣānti) — Confirming the Emptiness of the Apprehended

Patience here does not mean "endurance" but "acceptance" or "affirmation" — a definitive embracing of truth. The practitioner, relying on the "truth-conforming concentration" (anulomikī-kṣānti-samādhi), deepens from the four investigative contemplations into the four realizations of actuality (catvāri yathābhūta-parijñānāni).

"Relying on the truth-conforming concentration, one develops the lower realization of actuality, definitively confirming and maintaining the non-existence of the apprehended, and within the non-existence of the apprehender also conformingly accepting. Since there is no real object apart from the apprehending consciousness, how could there be a real consciousness apart from the apprehended object? Apprehended and apprehender are established in mutual dependence."¹¹

The Yogācārabhūmi defines the four realizations of actuality with extraordinary precision:

"What is the realization of actuality drawn from contemplation of name? The bodhisattvas, having through contemplation of name seen that there is only name, then with regard to this name realize as it actually is: such-and-such a name is conventionally designated for such-and-such a meaning, to cause beings in the world to give rise to concepts, views, and verbal expression. If, for all form-bearing objects of conceptualization, names such as 'form' were not conventionally established, there would be no one who could give rise to conceptualization of form regarding those objects. If there were no conceptualization, there could be no superimposed grasping. If there were no grasping, there would be no verbal expression."¹²

This passage reveals a precise causal chain: name → conceptualization → grasping → verbal expression. Without the conventional establishment of the name "form," no conceptualization of form could arise regarding form-objects. Without conceptualization, there could be no superimposed grasping (parikalpita — the imagined nature). Without grasping, there would be no verbal proliferation. The four realizations of actuality mean seeing each link in this chain as it actually is.

The critical difference between the four contemplations and the four realizations:

The four investigative contemplations constitute observation — seeing that name, meaning, self-nature, and distinction are illusory. The four realizations of actuality constitute confirmation — knowing with certainty that these are indeed conventional designations, without further wavering.

The core achievement of the patience stage is the confirmation of the "emptiness of the apprehended" (grāhya-śūnyatā). The Madhyāntavibhāga provides the elegant logic for why the apprehended must be emptied first:

依識有所得，境無所得生；依境無所得，識無所得生。

"Depending on consciousness, there is something apprehended; [from that,] the non-apprehending of objects arises. Depending on the non-apprehending of objects, the non-apprehending of consciousness arises."

The treatise comments: "Because one relies on consciousness-only as something still apprehended, there first arises the non-apprehending of objects. Then, depending on the non-apprehending of objects, there subsequently arises the non-apprehending of consciousness. By this method, one enters the signlessness of apprehended and apprehender."¹³

The logic: first, by recognizing that "consciousness exists" one comes to know that "objects do not [independently] exist" (emptiness of the apprehended). Then from "objects do not exist" one derives that "consciousness also does not [independently] exist" (emptiness of the apprehender) — because apprehender and apprehended are established in mutual dependence. Without an object being cognized, cognition itself loses its ground for independent existence.

Patience is divided into three degrees: lower patience confirms the emptiness of the apprehended at the ultimate level; middle patience confirms the emptiness of the apprehended at the conventional level as well; upper patience begins to touch the edge of the emptiness of the apprehender.

The decisive significance of the patience stage: from this point, there is no regression. Once the realization of actuality arises, the practitioner will never revert to the ordinary cognitive mode.

2.5 Supreme Worldly Dharma (laukikāgradharma) — The Moment Before Subject and Object Both Dissolve

Supreme worldly dharma: the most excellent among all worldly phenomena — because in the very next instant, it will transcend the worldly and enter the Path of Seeing. The practitioner, relying on the "uninterrupted concentration" (ānantarya-samādhi), extends the confirmation of the emptiness of the apprehended to further confirm the "emptiness of the apprehender" (grāhaka-śūnyatā).

"Relying on the uninterrupted concentration, one develops the higher realization of actuality, confirming the emptiness of both graspings — this is established as the supreme worldly dharma. The preceding upper patience confirms only the emptiness of the apprehender. Now the supreme worldly dharma doubly confirms the emptiness of both. Since from this point one must without interruption enter the Path of Seeing, it receives the name 'uninterrupted.' Since among all phenomena of ordinary beings this is the most excellent, it is named 'supreme worldly dharma.'"¹⁴

The Yogācārabhūmi describes the tension of this final moment with the fire-drilling metaphor:

"Suppose someone, wishing to use fire for fire's purposes, seeking fire, places dry wood below and a drill above, and with diligence, effort, and valor drills... As flameless fire suddenly bursts forth, so too should one understand the supreme worldly dharma. As fire, without interruption, produces fierce flames, so too the five faculties and five powers comprised by the supreme worldly dharma, without interruption, give rise to transcendent, uncontaminated, sacred dharmas."¹⁵

The Abhidharmasamuccaya emphasizes the unique character of the supreme worldly dharma's single-instant nature:

"The supreme worldly dharma is by nature a single instant that necessarily does not continue; at the very moment of its arising, one definitively enters the direct realization."¹⁶

The emptiness of the apprehender means: not only is "the apprehended object" empty, but "the apprehending subject" — the very mental activity that is examining the hundred dharmas and determining consciousness-only — is also not an independently existing reality.

This is the most subtle step of the Path of Preparation:

• Warmth and summit: Observing that "the hundred dharmas being cognized" are conventional designations (apprehended progressively emptied)
• Patience: Confirming the emptiness of the apprehended (object side dissolves)
• Supreme worldly dharma: Confirming the emptiness of the apprehender (subject side also dissolves)

The Cheng Weishi Lun draws the boundary between the Path of Preparation and the Path of Seeing with a pair of contrasting verses:

Path of Preparation: "What is set before the mind as something small, taken to be the nature of consciousness-only — because there is still something apprehended, one does not truly abide in consciousness-only."

Path of Seeing: "When, regarding the object of contemplation, wisdom has nothing whatsoever apprehended, then one abides in consciousness-only — because one has left behind the characteristic of the dual grasping."¹⁷

"When the bodhisattva, regarding the object of contemplation, through non-discriminating wisdom has nothing whatsoever apprehended, not grasping at the various characteristics of conceptual proliferation — then and only then is it named truly abiding in the ultimate nature of consciousness-only. Wisdom and suchness become equal and identical, both having left behind the characteristics of apprehender and apprehended... When this wisdom arises without interruption from the intensified practice, directly experiencing suchness, it is named the Path of Penetration. Because it first illuminates the principle, it is also named the Path of Seeing."¹⁸

The supreme worldly dharma stage lasts only a single instant, because once the contemplative insight of the dual emptiness is complete, the very next instant necessarily passes without interruption into the true Path of Seeing — non-discriminating wisdom arises, and suchness is directly realized. The last residue of "having something apprehended" is utterly dissolved in that instant.

2.6 The Meditative Foundations — A Direction, Not a Gate

Each of the Four Preparatory Stages relies on a particular kind of meditative absorption. The original passage in the Cheng Weishi Lun deserves careful, word-by-word attention:

"The bodhisattva, in developing these wholesome roots of warmth and the rest, though during the preparatory phase [the practice] extends through all the meditative absorptions, reaches completion relying on the fourth absorption, because one enters the Path of Seeing relying on the most excellent basis. It arises only from the body of a being in the fortunate destinies of the desire realm, because the wisdom and renunciation of other states are not sufficiently excellent."¹⁹

This passage contains two layers of meaning. Modern readers tend to see only the second while overlooking the first:

The first layer (often overlooked): "During the preparatory phase, [the practice] extends through all the meditative absorptions." During the preparatory phase, the contemplative insight of the Four Stages can operate within any level of meditative absorption. This means the practitioner does not need to first attain the fourth dhyāna before beginning the four investigative contemplations. Whatever level of meditative stability one has reached — even the access concentration preceding the first dhyāna or a relatively stable state within desire-realm concentration — as long as one possesses basic calm-abiding and insight capacity, one can begin to observe the conventionally designated character of name, meaning, self-nature, and distinction.

The second layer (often over-emphasized): "Reaches completion relying on the fourth absorption." The final "completion" — the moment when the supreme worldly dharma passes without interruption into the Path of Seeing — requires the exceptional stability of the fourth dhyāna as its basis. The fourth dhyāna is characterized by "equanimity and purity of mindfulness," free from the joy and pleasure that stir the first three dhyānas, and thus most suitable for bearing the extremely subtle contemplative insight of the dual emptiness.

Reading both layers together, the passage means: you do not need the fourth dhyāna to begin; you need the fourth dhyāna to complete. This is a gradual path. You can start observing with whatever concentration you currently possess. As you observe, your concentration naturally deepens; as concentration deepens, observation naturally becomes more acute — calm-abiding and insight are mutually reinforcing. By the time contemplative insight matures to the threshold of the Path of Seeing, the required depth of absorption will naturally have arrived as well.

This is like fire-drilling: you do not need to wait until the day you are strongest to start drilling. You start today. As you drill, your arms grow stronger and the wood grows hotter. "Reaches completion relying on the fourth absorption" describes the conditions needed at the moment the flame bursts forth — not the conditions needed when you first pick up the drill.

The Mahāyānasaṃgraha provides the full correspondence between the four absorptions and the Four Preparatory Stages:

"Through the four investigative contemplations, in the lower level of the dust-free contemplative acceptance, there is the luminosity-attaining samādhi — this is the basis for the wholesome root of warmth conducive to penetration. In the highest level of the dust-free contemplative acceptance, there is the luminosity-increasing samādhi — this is the basis for the wholesome root of summit conducive to penetration... Entering correctly into one portion of true meaning, there is the universal-access samādhi — this is the basis for the acceptance conforming to non-established truth... It transforms into the uninterrupted samādhi, which should be known as the basis for the supreme worldly dharma. These four samādhis are the preliminary means for the bodhisattva entering into the contemplation of non-established truth."²⁰

For modern practitioners, what matters is not "Am I qualified to practice the Four Preparatory Stages?" but rather "Can I, in my daily calm-abiding and insight practice, begin to observe my attachment to verbal concepts?" The spirit of the four investigative contemplations — seeing that a name is just a name, that a meaning is just a meaning — does not require deep meditative absorption to get started. It requires stable awareness and a correct understanding of the doctrine. The deepening of meditative concentration is something that naturally occurs along the path — not credentials you need to present at the starting line.

2.7 The Path of Preparation and the Three Natures

The Sandhinirmocana Sūtra provides the foundational definition of the three natures, which also forms the doctrinal basis for the Four Preparatory Stages' mode of observation:

"The characteristics of all dharmas are, in brief, of three kinds: first, the imagined characteristic; second, the dependent characteristic; third, the consummated characteristic. What is the imagined characteristic of all dharmas? It is the conventional establishment of all dharmas through names and through self-nature and distinction — to the extent that it enables verbal expression. What is the dependent characteristic of all dharmas? It is the conditionally arisen nature of all dharmas — because this exists, that exists; because this arises, that arises. What is the consummated characteristic of all dharmas? It is the equal suchness of all dharmas."²¹

Note the definition of the imagined characteristic: "the conventional establishment of all dharmas through names and through self-nature and distinction." This is precisely the four objects examined by the four investigative contemplations (name, meaning, self-nature, distinction). The four contemplations are the concrete operational method for seeing through the imagined nature.

The Sandhinirmocana Sūtra further explains the practical effect of contemplating the three natures:

"If bodhisattvas, regarding the dependent characteristic of all dharmas, can accurately understand the imagined characteristic, they can then accurately understand all characterless dharmas. If bodhisattvas accurately understand the dependent characteristic, they can then accurately understand all dharmas characterized by defilement. If bodhisattvas accurately understand the consummated characteristic, they can then accurately understand all dharmas characterized by purity."²²

And the Cheng Weishi Lun makes explicit why the Path of Preparation has not yet departed from the imagined nature:

"One still sets up something small before the mind, taking it to be the true ultimate nature of consciousness-only. Because the dual characteristics of emptiness and existence have not yet been removed, and because the mind that contemplates still bears characteristics and has something apprehended — one does not truly abide in the principle of consciousness-only. Only when those characteristics are extinguished does one truly abide."²³

The entire work of the Four Preparatory Stages can be summarized through the three natures:

Observing the imagined nature (parikalpita-svabhāva): The four investigative contemplations see through the illusoriness of verbal designations — the names, definitions, and classifications of the hundred dharmas are all conceptual constructions.

Penetrating the dependent nature (paratantra-svabhāva): The four realizations of actuality recognize that all dharmas arise through conditions and are transformations of consciousness — not non-existent, but not what you assumed them to be.

Approaching the consummated nature (pariniṣpanna-svabhāva): After the dual emptiness of subject and object, the Path of Seeing directly realizes suchness — the consummated nature is not "some other thing" but the true face of the dependent nature once the imagined nature has been stripped away.

2.8 The Fruits of the Four Stages — What Do You Gain by Walking This Path?

The preceding seven sections have detailed the doctrinal architecture, meditative foundations, and practice sequence of the Four Preparatory Stages, but have not yet answered the most fundamental question: why is this path worth walking? The scriptures describe the achievements of each stage in highly specific terms — not abstract "enlightenment" but recognizable cognitive transformations.

The achievement of warmth: the first kindling of wisdom-fire, and wholesome roots that can no longer be severed. For the first time, the practitioner directly "sees" in meditation the conventionally designated nature of verbal concepts — not knowledge acquired from books but an experience directly contacted in contemplation. The Mahāyānasūtrālaṃkāra describes this stage:

"At that time the bodhisattva, progressively attaining a settled mind, sees only mental verbalization — does not see any meaning."

The commentary: "This bodhisattva, first attaining settled mind and departing from mental verbalization, does not see the specific or general characteristics of any meaning — sees only mental verbalization. This seeing is the bodhisattva's warmth stage; this stage is named 'luminosity.'"²⁴

"Sees only mental verbalization, does not see any meaning" — this is a momentous cognitive shift. The practitioner begins to see: what we took to be cognition of "things themselves" has actually been cognition of "mental verbalizations about things" all along. Once this insight is obtained for the first time, although it is not yet stable, the wholesome root has been planted and will not be destroyed.

The achievement of summit: dharma-luminosity increases; consciousness-only is penetrated.

"In order to increase dharma-luminosity, firm diligence arises. Dharma-luminosity having increased, one penetrates and abides in mind-only."²⁵

"Penetrates and abides in mind-only" — the practitioner no longer merely "has heard of" consciousness-only but stably abides in the meditative realization of "everything is mind-only." This realization has grown strong enough to be sustained continuously, though it remains at the tipping point between advance and retreat.

The achievement of patience: irreversibility. This is the most decisive step among the Four Preparatory Stages. The Mahāyānasūtrālaṃkāra says:

"All meanings are nothing but light; because one sees only mind, one attains the cessation of the confusion of the imagined — this is abiding in patience."²⁶

"Attains the cessation of the confusion of the imagined" — the "confusion" (cognitive distortion) of the imagined nature is eradicated. The practitioner has confirmed the emptiness of the apprehended and will never again regress to the naïve realism of "external objects exist independently." This is a fundamental structural change in cognition — not emotional "believing" but wisdom-based "seeing." From this point forward, even in daily life, the practitioner will never truly forget that "verbal concepts are not the same as reality." The Abhidharmakośa states explicitly: "The patience dharma... because there is no regression, it is named patience."²⁷

The achievement of the supreme worldly dharma: subject and object both vanish — the instant before touching suchness. The Mahāyānasūtrālaṃkāra describes:

"Though the confusion of the imagined has been severed, there still remains the grasping at the apprehender. To sever this as well, one swiftly realizes the uninterrupted samādhi."²⁸

The supreme worldly dharma lasts only a single instant — yet this instant is the most dramatic moment along the entire path of practice. Vasubandhu in the Madhyāntavibhāga-bhāṣya explains why it deserves the name "supreme":

"Though this concentration is still a worldly dharma, it can serve as the dominant condition for the bodhisattva's supramundane path — no other worldly dharma has this capacity, hence the name 'supreme.' Moreover, it is only a single instant, hence 'supreme.'"²⁹

The ultimate fruit: the Path of Seeing. After the supreme worldly dharma passes without interruption, the practitioner enters the Path of Penetration. What happens at that moment, in the words of the Cheng Weishi Lun:

"Wisdom and suchness become equal and identical — both having left behind the characteristics of apprehender and apprehended."³⁰

"Wisdom and suchness become equal and identical" — between the wisdom that cognizes and the suchness that is cognized, there is no longer any subject-object opposition. This is not "I see suchness" but "wisdom itself is the manifestation of suchness." The boundary between subject and object has dissolved. The Yogācārabhūmi describes this moment:

"This is the final boundary-limit of all worldly activities; therefore it is named the supreme worldly dharma. From this point onward, supramundane mind arises — no longer worldly mind."³¹

"Supramundane mind arises — no longer worldly mind." A completely different quality of mental activity is born. It is not an improved version of worldly cognition but an entirely new mode of knowing — non-discriminating wisdom.

And the deeper significance of this path is summarized by the Yogācārabhūmi in its account of the fruit of the four realizations of actuality:

"Relying on these four realizations of actuality, the bodhisattva can correctly comprehend the eight kinds of discrimination. Through correctly comprehending them in the present life, the supporting conditions for conceptual proliferation in future lives no longer arise. Because they no longer arise, the discriminations arising from those conditions in future lives also no longer arise. Because both discriminations and their supporting conditions are extinguished, one should know that all conceptual proliferation is extinguished. Because the bodhisattva's conceptual proliferation is thus extinguished, one can realize the great Mahāyāna mahāparinirvāṇa."³²

"All conceptual proliferation is extinguished" — "one can realize the great Mahāyāna mahāparinirvāṇa." The four realizations of actuality are not merely a bridge to the Path of Seeing; their ultimate orientation is the cessation of all proliferation and the realization of the great nirvāṇa. Every step is worth taking. The glimmer of "a name is just a name" first glimpsed at the warmth stage and the total luminosity of the great nirvāṇa are the same light at different intensities.

III. Core Argument: The Hundred Dharmas as the Training Ground of the Four Contemplations

3.1 The Hundred Dharmas Are the Textbook of the Four Contemplations

This is the central thesis of this paper: ✅ Doctrinally established.

The four investigative contemplations are not an abstract philosophical exercise — they require concrete objects of observation. The fivefold classification of the hundred dharmas provided by the Treatise on the Hundred Dharmas is precisely the most complete observational material for the four contemplations.

Take the mental factor "contact" (sparśa) as an example:

This kind of observation can be applied to every single dharma among the hundred. The practitioner is not negating the existence of the hundred dharmas but seeing through the "reification" of the hundred dharmas — seeing that name is just name, meaning is just meaning, and self-nature and distinction are all conventional designations.

3.2 The Ordering of the Five Categories Reveals the Logic of the Path of Preparation

The very ordering of the five categories in the Treatise on the Hundred Dharmas implicitly encodes the logic of the Path of Preparation:

• Mind dharmas (eight consciousnesses) → Observing the apprehender: these are the "subject" side that cognizes
• Mental factor dharmas (fifty-one mental factors) → Observing the detailed functions of the apprehender
• Form dharmas (eleven forms) → Observing the apprehended: these are the "object" side being cognized
• Dharmas not associated with mind (twenty-four) → Observing verbal designations: concepts like "attainment," "life faculty," "time" are paradigmatic cases of "name-designation"
• Unconditioned dharmas (six) → Pointing toward the destination of observation: suchness

The Four Preparatory Stages' principle of "first emptying the apprehended, then emptying the apprehender" corresponds exactly to a reverse deconstruction through the five categories, from form dharmas back to mind dharmas.

The Mahāyānasaṃgraha-bhāṣya (by Asvabhāva) explicitly states that the objects of the four investigative contemplations are the name, meaning, self-nature, and distinction of the imagined nature:

"During the intensified practice, the factor-cause of skillful means that investigates and sees 'conventionally existent but in reality non-existent' is called 'investigative contemplation.' The factor-result of skillful means that is the definitive active wisdom knowing 'conventionally existent but in reality unattainable' is called 'realization of actuality.' Name here refers to 'form, feeling, and the rest' — also including name-causes, name-results, phrases, and so on. Investigating these names as being only mental verbalization in nature, only conventional and not real, not apart from mental verbalization — this is called contemplation of name."³³

"If name, meaning, self-nature, and distinction are all conventionally established, then one verifies that the four kinds of illusory manifestation, subsumed under the dependent nature, are without the characteristic of self-nature and distinction. 'Equally unattainable' means: one comprehends that the four aspects of the imagined nature are all unattainable."³⁴

The Treatise on the Hundred Dharmas opens with the declaration "As the World-Honored One said: all dharmas are without self." The Mahāyānasaṃgraha directly connects "all dharmas are without self" to the observation of the imagined nature:

"To penetrate the selflessness of dharmas as the self-nature and distinction imagined by ordinary beings — this is what is meant by entering the selflessness of dharmas. It is not because the dharma-nature beyond speech that is the domain of all Buddhas is altogether non-existent that it is called 'selflessness of dharmas'... For this reason, the teaching of consciousness-only is established, universally enabling entry into the selflessness of all dharmas — not because one repudiates all nature whatsoever."³⁵

3.3 The Precise Meaning of "Consciousness-Only with Apprehension"

The Mahāyānasaṃgraha describes the entire process of the Path of Preparation — "consciousness-only with apprehension" — through a verse and a passage of extraordinary precision:

菩薩在靜位，觀心唯是影，捨離外塵相，唯定觀自想。菩薩住於內，入所取非有，次觀能取空，後觸二無得。

"The bodhisattva in the tranquil stage contemplates that mind is only a reflection; abandoning the characteristics of external dust, one contemplates in absorption only one's own mental images. The bodhisattva, abiding within, enters into the non-existence of the apprehended; then contemplates the emptiness of the apprehender; finally touches the non-attainment of both."³⁶

"Because the bodhisattva enters into the characteristic of mental verbalization through the apparent manifestation of meaning, one enters the imagined nature. Because one enters the meaning of consciousness-only, one enters the dependent nature. And how does one enter the consummated nature? If one abandons the idea of consciousness-only, then the mental verbalizations — the seeds of previously heard dharma — the bodhisattva having already discerned and suppressed the conceptualization of dust, because apparent manifestations of all meanings no longer have productive conditions, they cease to arise. Therefore, mental verbalizations that appear like consciousness-only also cease to arise. For this reason, the bodhisattva simply abides in the non-discrimination of all meanings and names — through non-discriminating wisdom, one realizes, attains, and abides in the dharma-realm of suchness."³⁷

"If one abandons the idea of consciousness-only" — this is the pivotal turn. The "apprehension" of the Path of Preparation is the fact that the "idea of consciousness-only" has not yet been abandoned; the "non-apprehension" of the Path of Seeing is the relinquishing of even the idea of consciousness-only itself. The Treatise on the Hundred Dharmas gives you the complete materials for building the "idea of consciousness-only"; the Four Preparatory Stages teach you how to use those materials to their utmost — and then let them go.

The Path of Preparation is called "consciousness-only with apprehension" (sopalambha-vijñaptimātratā). This is not pejorative — it is a necessary stage. The practitioner must first establish a firm contemplative understanding of "everything is consciousness-only" (with something apprehended), and only then can they transcend that very understanding at the Path of Seeing (with nothing apprehended). Just as you must first learn to use a map before you can one day put it down and face the terrain directly.

The Treatise on the Hundred Dharmas is the most precise version of that map. Studying the hundred dharmas is the work of the Path of Accumulation; examining the hundred dharmas through the four investigative contemplations is the work of the Path of Preparation; directly realizing that the hundred dharmas are "consciousness-only without external objects" is the work of the Path of Seeing.

IV. Interdisciplinary Resonances

⚠️ The following are heuristic analogies, not claims of equivalence.

4.1 Conceptual Deconstruction and the Four Contemplations

Research on "conceptual deconstruction" in cognitive science has found that human conceptual categories do not "discover" the natural classifications of the world but are organizational schemes actively "constructed" by the cognitive system (Barsalou, 1999). The same physical stimulus is carved into different conceptual boundaries by users of different cultures and languages.

The "contemplation of name" in the four investigative contemplations performs a structurally similar operation: seeing that a "name" (linguistic label) is not the same as a "meaning" (referent), and that both name and meaning are products of mental activity. But the Buddhist observation goes further than cognitive science — it deconstructs not only concepts but also the subject performing the deconstruction.

4.2 Piaget's Decentration and the Dual Emptiness

The developmental psychologist Piaget described "decentration" in cognitive development: the child progresses from a wholly egocentric mode of cognition to the ability to see problems from others' perspectives (Piaget, 1954).

The Path of Preparation's "first emptying the apprehended, then emptying the apprehender" can be viewed as a more thoroughgoing decentration: first recognizing that "objects" do not exist independently of the observer (emptiness of the apprehended), then recognizing that "the observer" itself is not a fixed, self-existing entity (emptiness of the apprehender). Piaget's decentration stops at "being able to see from multiple perspectives"; Yogācāra decentration demands transcending even the presupposition that "there is a subject doing the seeing."

4.3 Phenomenological Epoché and the Patience Stage

Husserl's phenomenological reduction requires the "epoché" — the suspension of belief in the existence of the external world — in order to return to pure conscious experience itself (Husserl, 1913).

The patience stage's "truth-conforming acceptance" bears a structural resemblance: the practitioner "suspends" the belief that apprehended objects exist independently. But the difference is equally striking — Husserl's epoché is a methodological tool that can be "lifted" at any time; the patience stage's acceptance is an irreversible transformation of wisdom — the practitioner never again returns to the naïve realist cognitive mode.

V. Middle Way Corrections

❌ Misconception 1: The Four Stages Are Four Meditation Techniques

The Four Preparatory Stages are not four separate meditation methods that can be taught independently, like "mindfulness of breathing" or "loving-kindness meditation." They are four progressively deepening phases of a single path of contemplative insight, each building on the preceding one. Without stability at the warmth stage, entry into summit is impossible; without the maturation of the four investigative contemplations, the four realizations of actuality cannot arise. The modern meditation marketplace tends to slice practice into modular "techniques," but the Four Preparatory Stages describe the organic growth process of wisdom — not a toolkit to be mixed and matched.

❌ Misconception 2: "Emptiness" Means Nothing Exists

The "emptiness of the apprehended" and the "emptiness of the apprehender" are easily misread as nihilism — "the external world doesn't exist, the internal mind doesn't exist, everything is empty." This is the classic "pernicious emptiness" (ucchedavāda), precisely what the Middle Way Correction exists to guard against.

The "emptiness" contemplated in the Four Stages is the emptying of the "imagined nature" (parikalpita-svabhāva) — emptying the reifying attachment we impose on things — not the negation of the "dependent nature" (paratantra-svabhāva) of conditionally arisen phenomena. The hundred dharmas continue to operate, mental activity continues, the world continues to appear. What is emptied is only the false belief that "these are independently existing entities."

❌ Misconception 3: Having Studied the Hundred Dharmas, One Can Directly Practice the Four Stages

The Four Preparatory Stages belong to the Path of Preparation, whose prerequisite is the completion of the Path of Accumulation. The Path of Accumulation is not merely "learning the terminology of the hundred dharmas" — it includes a long-term foundation of moral discipline, meditative concentration and wisdom, the dual cultivation of merit and wisdom, and firmly established aspirations for liberation and awakening. Reducing the Four Stages to "an intellectual's shortcut to meditation" is dangerous. Without the foundation of discipline and concentration, the four investigative contemplations are merely philosophical speculation and will not produce transformative wisdom.

❌ Misconception 4: The Contemplative Insight of the Path of Preparation Equals Academic Analysis

The four contemplations' "seeing that name is not meaning" closely resembles the analysis of philosophy of language, but the difference between them is essential. Academic analysis operates at the conceptual level — after the analysis, the researcher's cognitive mode remains unchanged. The four investigative contemplations are conducted within meditative absorption and change not merely "thoughts" but the entire operative mode of cognition — fundamentally destabilizing the automatic connection between verbal concepts and reality. This is why the Four Stages require a meditative foundation (the luminosity-attaining concentration, etc.) and cannot rely on reading and thinking alone.

❌ Misconception 5: "I Haven't Attained the Fourth Dhyāna, So I Shouldn't Practice Contemplation"

This is the mirror image of Misconception 3: one says "no foundation is needed," the other says "the foundation is too high for me to reach." Both deviate from the Middle Way.

The scriptures say "reaches completion relying on the fourth absorption," but the first half of the same sentence reads "during the preparatory phase, [the practice] extends through all the meditative absorptions" — starting does not require the fourth dhyāna. Any stable state of calm-abiding and insight is sufficient to begin observing name, meaning, self-nature, and distinction. The fourth dhyāna is the condition needed at the moment the flame bursts forth — not the condition needed when you first pick up the drill. Turning the ultimate standard into the entry requirement is tantamount to transforming "only Buddhahood counts as success" into "since I can't become a Buddha, I needn't practice at all" — which is itself a form of the imagined nature.

For modern practitioners, the real question is not "Is my meditative concentration deep enough?" but "Am I, in daily life, practicing awareness of the conventionally designated nature of verbal concepts?" You do not need deep meditative absorption to notice your automatic reactions to labels like "good," "bad," "success," and "failure." Each time you become aware that "this is a verbal designation, not the thing itself," you are engaging in a micro-practice of the four investigative contemplations' spirit. Provisions are accumulated exactly like this — one moment at a time.

VI. Conclusion: The Hundred Dharmas Are the Map; the Four Stages Are the Walking

The Treatise on the Hundred Dharmas provides the most precise analytical framework for consciousness in the Yogācāra tradition. But Vasubandhu's purpose in composing this treatise was not to produce classification specialists; it was "all dharmas are without self" — through accurately knowing the conventionally designated nature of all dharmas, to enter the wisdom of selflessness.

The Four Preparatory Stages are precisely this "from knowing to seeing" practice path. Warmth: one begins to observe the verbal designations of the hundred dharmas. Summit: observation grows progressively acute. Patience: the realization of actuality arises, the emptiness of the apprehended is confirmed, regression is no longer possible. Supreme worldly dharma: the apprehender is also empty — in the next instant, one enters the Path of Seeing.

The entire process can be summarized in a single sentence: first recognize that the map is a map, then put down the map, and directly face the terrain.

The hundred dharmas are the necessary map — without it, the practitioner would not know what to observe. But the map must ultimately be transcended — the Four Preparatory Stages teach you how to see, while holding the map in your hands, the reality that the map points toward. In the final instant of the supreme worldly dharma, the map slips from your fingers. In the next instant, you are already standing in suchness.

References

I. Primary Buddhist Sources

• Cheng Weishi Lun 《成唯識論》, by Dharmapāla et al., trans. Xuanzang, T31, No. 1585《成唯識論》Vijñaptimātratā-siddhi-śāstraT31, No. 1585View on CBETA online reader ↗.
• Triṃśikā-vijñaptimātratā 《唯識三十論頌》, by Vasubandhu, trans. Xuanzang, T31, No. 1586《唯識三十論頌》Triṃśikā-kārikāT31, No. 1586View on CBETA online reader ↗.
• Yogācārabhūmi 《瑜伽師地論》, by Maitreya, trans. Xuanzang, T30, No. 1579《瑜伽師地論》Yogācārabhūmi-śāstraT30, No. 1579View on CBETA online reader ↗.
• Mahāyānasaṃgraha 《攝大乘論》, by Asaṅga, trans. Buddhaśānta, T31, No. 1593《攝大乘論》Mahāyāna-saṃgrahaT31, No. 1593View on CBETA online reader ↗.
• Mahāyānasaṃgraha 《攝大乘論本》, by Asaṅga, trans. Xuanzang, T31, No. 1590《唯識二十論》Viṃśatikā-kārikāT31, No. 1590View on CBETA online reader ↗.
• Mahāyānasaṃgraha-bhāṣya 《攝大乘論釋》, by Asvabhāva, trans. Xuanzang, T31, No. 1598《攝大乘論釋》(無性、玄奘譯)Mahāyānasaṃgraha-bhāṣya (Asvabhāva, Xuanzang tr.)T31, No. 1598View on CBETA online reader ↗.
• Śatadharmaprakāśamukha-śāstra 《大乘百法明門論》, by Vasubandhu, trans. Xuanzang, T31, No. 1614《大乘百法明門論》T31, No. 1614View on CBETA online reader ↗Waken translation→.
• Madhyāntavibhāga 《辯中邊論》, by Maitreya, trans. Xuanzang, T31, No. 1600《辯中邊論》MadhyāntavibhāgaT31, No. 1600View on CBETA online reader ↗.
• Madhyāntavibhāga-bhāṣya 《中邊分別論》, by Vasubandhu, trans. Paramārtha, T31, No. 1595《攝大乘論釋》(真諦譯)Mahāyānasaṃgraha-bhāṣya (Paramārtha tr.)T31, No. 1595View on CBETA online reader ↗.
• Mahāyānasūtrālaṃkāra 《大乘莊嚴經論》, by Maitreya, trans. Prabhākaramitra, T31, No. 1604《大乘莊嚴經論》Mahāyāna-sūtrālaṃkāraT31, No. 1604View on CBETA online reader ↗.
• Abhidharmasamuccaya 《大乘阿毘達磨雜集論》, by Sthiramati, trans. Xuanzang, T31, No. 1606《大乘阿毘達磨雜集論》Abhidharmasamuccaya-vyākhyāT31, No. 1606View on CBETA online reader ↗.
• Sandhinirmocana Sūtra 《解深密經》, trans. Xuanzang, T16, No. 676《解深密經》Saṃdhinirmocana-sūtraT16, No. 676View on CBETA online reader ↗.
• Abhidharmakośa 《阿毘達磨俱舍論》, by Vasubandhu, trans. Xuanzang, T29, No. 1558《阿毘達磨俱舍論》Abhidharmakośa-bhāṣyaT29, No. 1558View on CBETA online reader ↗.
• Prajñāpāramitā Hṛdaya Sūtra Youzhan 《般若波羅蜜多心經幽贊》, by Kuiji, T33, No. 1710《般若波羅蜜多心經幽贊》T33, No. 1710View on CBETA online reader ↗.
• Vajracchedikā Prajñāpāramitā Sūtra Commentary 《金剛般若經贊述》, by Kuiji, T33, No. 1700《金剛般若經贊述》T33, No. 1700View on CBETA online reader ↗.

II. Modern Scholarship

• Barsalou, L. W. "Perceptual Symbol Systems." Behavioral and Brain Sciences 22, 1999, pp. 577–660.
• Husserl, E. Ideas Pertaining to a Pure Phenomenology and to a Phenomenological Philosophy. Trans. F. Kersten. Nijhoff, 1913/1983.
• Piaget, J. The Construction of Reality in the Child. Basic Books, 1954.
• Lusthaus, D. Buddhist Phenomenology: A Philosophical Investigation of Yogācāra Buddhism and the Ch'eng Wei-shih Lun. Routledge, 2002.

III. Sūtra & Śāstra Index

Cross-Reference Index

This paper is published under a CC BY-NC-SA 4.0 license. Redistribution and citation are welcome; please cite the source. Scriptural quotations have been cross-checked against the CBETA Chinese Electronic Tripiṭaka Collection. Repository: github.com/pointing-at-the-moon/dharma-research