Practice · SīlaVolume FourPart VIII · Complete PreceptPaper 24 of 30

Ethics as the Ground of Samādhi

中文主題：戒為定基

Author: Shi Huijing 釋慧鏡

Date: Spring 2026

Version: 1.0

ID: SILA-P24

Abstract

The four pure and clear instructions on purity (四種清淨明誨) set out in the sixth fascicle of the Śūraṅgama Sūtra—cutting off lust, killing, stealing, and the great lie—have long been read either as four items in a precept-keeper's handbook or as a stretch of moral preparation to be completed before meditation begins. The present paper argues otherwise: within the threefold framework the sūtra itself raises—"gathering in the mind is the precept; from the precept concentration is born; from concentration wisdom is unveiled" (攝心為戒、因戒生定、因定發慧)—the four instructions are neither an optional cultivation of more or fewer items nor a preliminary rinse, but the load-bearing interface by which the precept passes into concentration. The sūtra states each instruction in the same public form—"if the (such-and-such) mind is not removed, the dust cannot get out"—and pairs it with one of four metaphors of material impossibility: steaming sand to make rice, stopping one's ears and shouting, pouring water into a leaking vessel, carving excrement into sandalwood. Together they say one thing: an uncut mind makes the accumulation of samādhi structurally impossible. Even where "the three deeds are already complete" (三行已圓), the lack of the single instruction against the great lie leaves samādhi impure—so the four are the decisive sense (決定義) for entering concentration, to be upheld as a complete set, not passed by majority. This precept-as-basis is no innovation of the Śūraṅgama: the Madhyama-āgama Heyi-jing ("from upholding the precepts one gains non-remorse … from joy, concentration") and the parallel eleven-link chain of the Aṅguttara already join the precept to concentration in a causal sequence in which concentration is a hinge, not a terminus. Two strata of East Asian commentary (Song-dynasty Zixuan, Ming-dynasty Zhenjian) show further that the precept-as-basis carries two faces at once—a gradual face (the staged sequence) and a perfect face (each instruction governing the mind, the later necessarily subsuming the former)—so that "arising" (生) is not external causation but subsumption. Taking up the question its predecessor left open, this paper lays the four instructions as the first interface brick joining the SĪLA volume to the SAMĀDHI volume—opening the handoff only, not closing it.

I. The Question: How the Quiescent Mind Turns Into the Gate of Concentration

This volume's treatment of the precept has been written, for some way now, along the prajñā path of breaking the mark. The preceding paper closed on a question it had not finished answering: once prajñā's work of breaking the mark is complete, once sign-less keeping has made the mind no longer moved by grasping at marks—how does that "unmoved" mind turn from "the completeness of breaking the mark" into "the preliminary to entering concentration"? The three wheels of the precept being empty, how is this still-and-empty mind taken up and turned over into the gate of meditative concentration?¹

The question cannot be answered from inside the language of breaking the mark, for what it asks is no longer "how is the precept made complete" but "once complete, where does the precept go." To answer it one must turn to a sūtra that joins the precept and concentration directly together. The Śūraṅgama Sūtra is exactly such a text. In its sixth fascicle, the Buddha, answering Ānanda, gathers the whole of cultivation into three clauses:

The Buddha told Ānanda: "You have long heard me, in my Vinaya, expound the three decisive senses of cultivation—namely, gathering in the mind is what I call the precept; from the precept concentration is born; from concentration wisdom is unveiled. These are called the three trainings free of outflows (anāsrava)."²

This sentence is the spine of the whole argument that follows. It does not set the precept, concentration, and wisdom side by side as three unrelated trainings; it strings them, with two occurrences of the graph "from" (因), into one sequence with a definite direction: the precept is the cause of concentration, concentration the cause of wisdom. The precept is not, here, another course of study standing on a level with concentration; it is the ground from which concentration is born. The sūtra calls the three "the three decisive senses" (三決定義)—and the two graphs "decisive" say that the sequence is not optional, not contingent, but necessarily so.

It is from here that this paper takes its thesis. The four pure and clear instructions on purity—cutting off lust, killing, stealing, and the great lie—have long been read in two ways. The first reads them as four items in a precept-keeper's handbook, ranged alongside the other precept-articles. The second reads them as a clearing of the ground to be done once, before meditation truly begins, and set down afterward. This paper holds that both readings underrate the four instructions. They are neither four parallel items nor a one-time clearing, but, on the sequence "gathering in the mind is the precept; from the precept concentration is born," the load-bearing interface by which the precept passes into concentration: an uncut mind is like a leaking vessel, making the whole accumulation of samādhi run out of itself; so the four are the decisive sense for entering concentration, to be upheld as a complete set. What follows reads the four instructions in turn along the sūtra's own order (§II); states formally this reading of the "load-bearing interface," and returns to the Chinese and Pāli canons and to East Asian commentary to show that the precept-as-basis is neither the Śūraṅgama's innovation nor exhausted by the single graph "gradual" (§III); brings the matter into dialogue with contemporary scholarship (§IV); clarifies several ready misreadings (§V); and lays this interface brick at the threshold of the SAMĀDHI volume (§VI).

One habit of distinction must be stated at the outset. Throughout what follows, the paper marks, so far as it can, the line between what the sūtra states directly and what this paper reads out and names. The four severances, the four metaphors, and the capstone phrase "pure as ice and frost" are the sūtra's direct statement; the naming of the four instructions as "the load-bearing interface from precept to concentration" is this paper's reading of the sūtra's structure. The reader may use this line to tell, at each point, where the sūtra speaks and where the paper does.³

II. The Canonical Basis: Reading the Four Instructions in Turn, and the "Decisive Sense" as a Complete Set

In the sūtra the four pure and clear instructions are strung together by one recurring public form: each instruction first names the harm of the uncut mind with the words "if the (such-and-such) mind is not removed, the dust cannot get out," and then attaches a metaphor of "even if one were to do it, it could never possibly succeed." We read them one by one, in the sūtra's order.⁴

First, cutting off lust (steaming sand to make rice). The sūtra asks, "What is the gathering-in of the mind that I call the precept?"—and answers that if the mind of beings throughout the six destinies is without lust, they do not follow the round of birth and death; you cultivate samādhi precisely to get out of the dust of toil, and "if the lustful mind is not removed, the dust cannot get out." Its metaphor runs:

If one cultivates dhyāna without cutting off lust, it is like steaming sand and gravel hoping to make rice: through hundreds of thousands of kalpas it is still only hot sand. Why? Because this is not the stuff of rice, being made of sand.⁵

The point of this metaphor lies in the four graphs "this is not the stuff of rice." Sand is not the stuff of rice; so no matter how long it is steamed, sand stays sand. Just so, to cultivate concentration without cutting off the lustful mind is to cultivate what is not the stuff of concentration: through hundreds of thousands of kalpas it is only hot sand.

Second, cutting off killing (stopping one's ears and shouting). "If the killing mind is not removed, the dust cannot get out." Its metaphor:

If one cultivates dhyāna without cutting off killing, it is like a person who stops his own ears and shouts aloud, wishing not to be heard—this is called "the more one would hide it, the more it shows."⁶

The marvel of the stopped-ears metaphor is in "the more one would hide it, the more it shows." Stopping one's own ears can only keep oneself from hearing; the bystanders hear plainly. To cultivate concentration with a killing mind while hoping for purity is exactly to seek concealment by self-deception: the more one screens, the more it appears.

Third, cutting off stealing (pouring water into a leaking vessel). "If the stealing mind is not removed, the dust cannot get out." Its metaphor:

If one cultivates dhyāna without cutting off stealing, it is like a person pouring water into a leaking vessel and hoping to fill it: though kalpas pass, it is never made level.⁷

Of the four metaphors this one is bound most tightly to the sūtra's own vocabulary. The three trainings are called "free of outflows" (無漏)—the word taken is "outflow"; and the "leak" of the leaking vessel (漏巵) is that very same graph. The uncut stealing mind is a leak-hole; pour in as much water as one will (all the accumulation of cultivating concentration), and a vessel with a leak is "never made level." Put otherwise: the incompleteness of the precept makes the accumulation of concentration structurally impossible to seal—this is not a question of how diligently one cultivates, but of whether the vessel has a leak.

Fourth, cutting off the great lie (carving excrement into sandalwood). This fourth instruction is the most decisive, for it states outright why the four "cannot lack even one." The sūtra says:

Thus the beings of the six destinies throughout the worlds, though in body and mind free of killing, stealing, and lust—the three deeds already complete—if they commit the great lie, then samādhi is not pure; they become demons of love-and-views and lose the seed of the Tathāgata: so-called claiming attainment unattained, claiming realization unrealized…⁸

Note the four graphs "the three deeds already complete" (三行已圓). The sūtra imagines a person who has cut off, to the last, the three matters of killing, stealing, and lust—the first three instructions are, in him, already perfected—and yet, the moment he commits the great lie (claiming attainment unattained, realization unrealized), "samādhi is not pure." Its metaphor:

If one does not cut off the great lie, it is like carving human excrement into the shape of sandalwood and seeking fragrance—there is no such possibility.⁹

Carve excrement into sandalwood, and the shape may resemble sandalwood, but the substance is still excrement; so to seek fragrance from it is impossible. This instruction thereby states the structure of the whole set: the four instructions are not a majority-vote of "most of four"—do three, and the remaining one does no harm—but a complete set, and to lack any one of them is for the entire ground of concentration not to stand. If this is so even where "the three deeds are already complete," how much more where two or three are lacking.

The four instructions read, the sūtra, in the seventh fascicle, makes a summary gathering—the capstone:

Ānanda, you asked about gathering in the mind; I now first set forth the wondrous gateway of cultivation for entering samādhi. To seek the bodhisattva path, one must first uphold these four kinds of restraint, pure as ice and frost—then of itself it cannot put forth any branch or leaf; the three of the mind and four of the mouth will have no cause to arise… if these four matters are not let slip, the mind will not even cling to form, scent, taste, or touch—how then could any demonic affair arise?¹⁰

"Pure as ice and frost" pictures its flawless purity; "of itself it cannot put forth any branch or leaf" says that once the four instructions are upheld, the sundry derivative faults have nowhere to sprout; "will have no cause to arise" carries the matter to the root—the point is not to press down an evil already arisen, but to cut off its very cause of arising, so that evil "has no cause to arise." Here the sūtra says plainly: "first uphold these four kinds of restraint," for "entering the wondrous gateway of cultivation in samādhi"—the four instructions are the precondition for entering the gate of concentration, and they are prior to the entering.

Read together, the place of the four instructions in the sūtra is quite clear: they are not a further set of pure rules outside concentration, but the entrance to the sequence "gathering in the mind is the precept; from the precept concentration is born." The four "(such) mind not removed, the dust cannot get out" and the four metaphors of material impossibility state, over and over, one thing—if the mind is not pure, the accumulation of concentration cannot, by its very nature, take. This is the real content of what this paper calls the "decisive sense": the four instructions are the necessary condition for entering samādhi, not an optional bonus of diligence.

III. The Core Argument: The Load-Bearing Interface, Traditional Continuity, and Gradual-and-Perfect-Not-Two

3.1 This Paper's Reading: The Four Instructions as the Load-Bearing Interface from Precept to Concentration

What the last section set out is, for the most part, the sūtra's direct statement. What this section sets out is this paper's reading of that structure, and must be marked off from what the sūtra says.

This paper names the four instructions the "load-bearing interface" from precept to concentration, in three senses. First, load-bearing: everything the gate of concentration raises—the accumulation of samādhi, and the contemplative wisdom that later issues from it—rests its weight upon this interface; if the interface is not sound (if the precept is not complete), what it carries runs out (as the leaking vessel is "never made level"). Second, interface: the four instructions are the place where the precept and concentration meet—they belong to the precept (they are the concrete content of "gathering in the mind is the precept") and yet face toward concentration (they are the entrance of "from the precept concentration is born"); they lie neither inside the precept alone nor inside concentration alone, but precisely on the face where the two join. Third, hinge: the four instructions are the turning-joint of the sequence—receiving, behind them, the precept that the prajñā breaking-of-the-mark has perfected, and opening, ahead of them, onto the gate of concentration not yet entered.

The reason for this naming is that both of the current readings make light of this interface. To read the four instructions as "four items in the precept handbook" is to see only that they belong to the precept and not that they face toward concentration, so that they fall in alongside the other articles and lose their place as the entrance of the sequence. To read them as "a clearing of the ground before meditation" is to demote the load-bearing interface into a preparatory chore one may finish and set down—as if, the clearing once done, the precept had served its turn and retired, and the real cultivation (concentration) only now began. The sūtra says exactly the reverse: the precept is not a prelude to be cleared away before concentration begins, but the ground on which concentration stands; the leaking-vessel metaphor says it plainly—a vessel with a leak is never filled, however long one pours. The precept's role is not "to be done first" but "to bear weight throughout."

3.2 "The Precept as Basis for Concentration" Is Not the Śūraṅgama's Innovation: One Statement in the Chinese and Pāli Canons

One might ask: is reading the precept as the load-bearing interface of concentration a special claim of the Śūraṅgama alone, not necessarily found elsewhere? The answer is no. The precept as basis for concentration is a sequence Buddhism set down from its earliest texts; the Śūraṅgama only restates it in a Mahāyāna idiom.

On the Chinese side, the Madhyama-āgama Heyi-jing states the sequence with the greatest clarity:

Thus, Ānanda: from upholding the precepts one gains non-remorse; from non-remorse, gladness… from joy, concentration. The learned noble disciple, from concentration, comes to see things as they really are and know them as they truly are… from liberation, one knows liberation. Ānanda, this is how dharma benefits dharma and dharma causes dharma—thus this precept advances to the foremost: crossing from this shore, one reaches the far shore.¹¹

"From upholding the precepts one gains non-remorse; from non-remorse, gladness… from joy, concentration"—this is a sequence that begins from the precept and is caused, layer upon layer; the phrase "dharma benefits dharma, dharma causes dharma" is the classical statement of exactly the "from" in "from the precept concentration is born." And "this precept advances to the foremost: crossing from this shore, one reaches the far shore" shows more: the precept is not only a starting point but is itself understood as the head of a road that runs toward the ultimate. A parallel discourse in the Pāli Aṅguttara states the same matter through an eleven-link chain, each link locking into the next: from the precept arises non-remorse (Pāli avippaṭisāra), from non-remorse gladness, joy, tranquillity (passaddhi), happiness; from happiness, concentration (samādhi); from concentration, knowing-and-seeing-things-as-they-are (yathābhūta-ñāṇadassana), disenchantment, dispassion; and at the last, liberation and the knowing-and-seeing of liberation.¹²

This eleven-link chain gives the paper one decisive structural insight: concentration is not the terminus of the sequence but a hinge within it. On this chain concentration receives the precept from below (it comes all the way up from the precept) and opens onto knowing-and-seeing-as-it-is and liberation above (from concentration it goes further on). Concentration stands in the middle as a turning-joint—and this is exactly the place of this volume at this moment, and of this paper P24 itself: the SĪLA volume, drawing to its close, is just now handing the precept it received from before to the concentration not yet unfolded. The "born" of the sūtra's "from the precept concentration is born," and the path-arc of the Chinese "advances to the foremost, crossing from this shore to the far shore," give "the precept as basis for concentration" a canonical warrant: it is a graduated road, the precept before and concentration after, link causing link.

3.3 Gradual and Perfect Not Two: The Double Structure of East Asian Commentary

Yet to say only "the precept before, concentration after" in a graduated sense does not exhaust the depth of the "born" in "from the precept concentration is born." Two strata of East Asian Śūraṅgama commentary—Changshui Zixuan's Subcommentary on the Meaning of the Śūraṅgama (Song) and Jiaoguang Zhenjian's Commentary on the Correct Pulse of the Śūraṅgama (Ming)—bring out here a finer structure: the precept-as-basis has two faces, a gradual face and a perfect face, and these are not the opposing positions of two schools but a double structure within one and the same commentary.

Zixuan holds, on the one hand, the gradual: "The precept is the very root that accords with liberation; in dependence on this precept one comes to have concentration and wisdom—hence, for samādhi, the precept is the antecedent vessel" (先容).¹³ "Antecedent vessel" means the forerunner, that which goes before; this places the precept, in sequence, ahead of concentration and wisdom. But in the same passage he turns out the perfect face as well: "Though these grave prohibitions are framed in terms of body and mouth, each one governs the mind; since they accord with concentration and wisdom, form, scent, taste, and touch are nothing other than true reality—how then could any demonic affair vex the practitioner?"¹⁴ On their surface the four instructions restrain body and mouth; in truth "each one governs the mind," landing directly on the ground of the mind; and once the precept accords with concentration and wisdom, the form, scent, taste, and touch it meets are, every one, true reality. The precept, in other words, is not merely a procedure before concentration; the precept is already a work upon the ground of the mind that accords with concentration and wisdom. Zixuan further notes that the Śūraṅgama's precept, "though it shares the name of the Hīnayāna precept, differs in its observance: here one inwardly guards each thought, holding grave and light alike… wholly other than the Hīnayāna keeping of precepts."¹⁵ Called by the same name "precept," what the Śūraṅgama upholds is a precept of the mind that inwardly guards each thought, plainly distinct from the Hīnayāna keeping that halts at body and mouth.

Zhenjian states the relation of this gradual and this perfect in a single hinge-sentence: "The former does not subsume the latter, but the latter necessarily subsumes the former."¹⁶ That is: the precept (the former) need not subsume concentration (the latter), but concentration (the latter) necessarily subsumes the precept (the former)—an asymmetric containment. By this, the "born" of "from the precept concentration is born" is no longer merely the external causation of "first there is the precept, then concentration is produced" (as if the precept, having produced concentration, retired with its work done), but the subsumptive relation of "concentration already perfectly possesses the precept within it": having entered concentration, the precept is not left outside the gate but gathered into concentration, present along with it. Zhenjian, too, takes the four instructions from the ground of the mind: "Killing, stealing, lust—reckoned as bodily transgressions—are utterly coarse; here one severs them at the level of thought, so that not a single thought arises, and so they are finer than the mind."¹⁷ Reckoned as bodily transgressions, killing, stealing, and lust are matters utterly coarse; the Śūraṅgama would cut them off at the level of thought, so that not one thought arises—hence what it treats is of the finest.

Read together, the two commentaries show "gradual" and "perfect" to be not-two. The "perfect" does not cancel the sequence of the "gradual"; it redefines the nature of that sequence: the precept before, concentration after, is still gradual—but this concentration "after" has not thrown away the precept "before"; rather it gathers the precept in (the latter subsumes the former). So the "born" of "from the precept concentration is born" is, seen from outside, a birth in sequence, and seen from within, a possessing by subsumption. This answers the question the preceding paper left: how does the still-and-empty mind turn into the gate of concentration? The answer is: not by finishing the precept and exchanging it for concentration, but by letting the "gathered-in mind" that the precept has accomplished be subsumed by concentration, present along with concentration. The precept never quit the field; it has become the inwardness of concentration.

IV. Cross-Disciplinary Engagement: The Misplacement of the Four Instructions in Contemporary Scholarship

Contemporary scholarship on the Śūraṅgama's four pure and clear instructions follows roughly three lines, but not one of them reads the four as the structural interface from precept to concentration. This paper brings three scholars into dialogue, each in the manner of "concede, then advance," to throw this absence into relief.¹⁸

First, the textual line—Ron Epstein. In his study of the question of the Śūraṅgama's authenticity, Epstein argues that the sūtra is "probably a composite work," and notes that the text presents itself as a manual of graduated practice.¹⁹ This paper accepts two of his points: that the sūtra's composition and transmission are indeed unsettled (a point §V takes up again separately), and that the text does present itself as a step-by-step road. Conceding: the sūtra is a graduated path-text, as Epstein reads it. Advancing: yet Epstein treats the four pure instructions chiefly within the register of authenticity-criticism and the catalogue of "fifty demon-states" that closes the sūtra, and so under-reads their structural load-bearing function—the four instructions are not merely internal material of a possibly apocryphal sūtra; they are the load-bearing interface on which the whole meditative apparatus of the sūtra is hung: everything above the gate of concentration rests its weight upon these four.

Second, the contemplative line—Eviatar Shulman. Shulman argues that the core teaching of Buddhism is a set of methods of meditative observation rather than a propositional philosophy; the contemplative state is epistemically primary—it is "perception that gives rise to view."²⁰ This paper accepts his insight: the contemplative state is indeed generative, and samādhi is indeed the cognitive engine of the text. Conceding: samādhi is generative, the engine of insight. Advancing: yet Shulman's model takes meditative observation for the foundation and pushes the precept nearly off-stage—virtue is treated, at most, as an ambient preliminary cleansing. This paper would reverse exactly this load-path: the four pure instructions are not a "throat-clearing before meditation" but precisely the structural condition on which the very samādhi Shulman prizes depends for its stability. The Śūraṅgama makes, in plain terms, a moral severance (cutting off lust stands first among the four) the gate; here meditative perception is downstream of an ethical cut, not a fresh start unrelated to the precept.

Third, the institutional line—Paul Groner. Groner's study of how Saichō, founder of Japanese Tendai, took the bodhisattva precepts (rather than the full Vinaya) as the basis of ordination shows this to be a structural decision—the precept-frame is the load-bearing frame of the whole practice-system.²¹ This paper fully agrees with the judgment that "the precept-frame is architecturally constitutive." Where it differs: Groner's structural argument operates at the institutional and ordinational layer (how the precept-frame organizes a sangha, a system of ordination); this paper moves the same insight to the layer of an individual's entry into practice—the structural character of the Śūraṅgama's four instructions lies not in regulating a sangha but in their being the named, prior gate of one particular samādhi. What the precept structures, here, is the practice-interface itself: how, on a practitioner's path, the mind turns from the precept into concentration.

Each of the three lines sees something, and all three leave the same blank: scholarship reads the four pure instructions philologically (Epstein's composite-authorship evidence), or institutionally (Groner-type precept-frame study), or brackets the precept altogether in favor of a meditation-first epistemology (Shulman); no one has theorized the four as the structural interface from precept to concentration—the load-bearing hinge on which the Śūraṅgama-samādhi is cantilevered, rather than a preliminary moral hygiene. This is the blank this paper fills.

One declaration must be appended, to keep this series' discipline of cross-disciplinary engagement: the three engagements above show a shared gap, not a theoretical equivalence. The paper uses them to throw the interface-reading into relief, not to reduce the four instructions to text-criticism, to a meditation-first epistemology, or to an institutional theory of the precept. The contrast holds precisely because there is difference within the likeness.

V. Middle-Way Correction: Several Misreadings to Be Clarified

❌ Misreading one: reducing the four instructions to "a preparatory gate of the gradual teaching." If the precept is before and concentration after, are the four instructions then only a preparatory procedure of the gradual teaching, to be set down once done? This sees only the "gradual" and not the "perfect." Zhenjian's "the latter necessarily subsumes the former," cited above, has already made it clear: concentration subsumes the precept; the precept does not retire when finished but is gathered into concentration, present along with it. The four instructions are the ground concentration bears throughout, not a prelude cleared away before concentration begins. To read the four instructions as a preparatory gate one may set down is exactly the reductive reading this paper would correct.

❌ Misreading two: reading "from the precept concentration is born" as voluntarism. Does "from the precept concentration is born" mean that the practitioner must strain and force, using the merit of precept-keeping to squeeze out concentration? The Heyi-jing, just after the passage cited above, gives the counter-evidence: the precept-keeper "should not think, 'let me be free of remorse' … but it is dharma's own nature"—"non-remorse" is not gained by deliberate will, but follows, by the nature of things, once precept-keeping is accomplished.²² The "from" of "from the precept concentration is born" is the causing of dharma by dharma (dharma causes dharma), not the result of the practitioner's gritted effort. The precept pure, concentration is born, as a vessel without a leak fills of itself—not waiting upon forcing.

⚠️ To be clarified one: the order of the four instructions (lust → killing → stealing → lie) is narratively driven, not a re-judging of severity. The sūtra marks the order with "first / next / then / and further," with cutting off lust at the head, because the sūtra's occasion is Ānanda's peril at the hands of the Mātaṅgī woman (named in the seventh fascicle).²³ This order is fixed by the narrative occasion of the sūtra, and differs from the usual Vinaya order "killing, stealing, lust, lying." It must not be read as the Śūraṅgama's re-judging of the gravity of the precepts—the four instructions are, in the sūtra, a complete set, and their narrative sequence and their structural standing are two different matters.

⚠️ To be clarified two: "samādhi" (三摩提／三摩地) and the generic term "dhyāna/meditation" must be kept on separate levels. The "meditation" (禪定) in "if one cultivates dhyāna without cutting off lust" is a generic word, whereas the samādhi (三摩提, 三摩地) of "then samādhi is not pure" and "entering the wondrous gateway of cultivation in samādhi" refers to the Śūraṅgama's own great samādhi. The three must not be flattened into "sitting in meditation." Wherever this paper speaks of the "concentration" that the four instructions bear, it means the samādhi the sūtra intends, not generic seated meditation.

Two further matters must be noted in passing, to keep the boundary between this volume and others. First, the third instruction, "cutting off stealing," has elsewhere in this series (the DĀNA volume's treatment of "the reverse-giving hidden in not-taking") been read from the opposite face as a discourse on giving; this paper takes the stealing instruction only as one of the four, set under the sequence from precept to concentration and read as "a necessity to be cut off before entering concentration." It does not restate that reverse-giving discourse, and the instruction must not be read as "to cut off X is to give X."²⁴ Second, among the works of precept-keeping there remain various subtle clingings (such as the subtle conceit that arises out of keeping the precept); their fine treatment awaits the gate of concentration. This paper notes the point and stops there, without unfolding its mechanism—that is the work of the SAMĀDHI volume.

VI. Conclusion: An Interface Brick, Pointing to the Threshold of the Gate of Concentration

6.1 Essentials

The Śūraṅgama's four pure and clear instructions—cutting off lust, killing, stealing, and the great lie—are not four parallel items in a precept handbook, nor a clearing of the ground to be finished and set down before meditation begins, but, on the sequence "gathering in the mind is the precept; from the precept concentration is born," the load-bearing interface by which the precept passes into concentration. The four "(such) mind not removed, the dust cannot get out," and the four metaphors—steaming sand, stopped ears, leaking vessel, carved excrement—say, over and over: if the mind is not pure, the accumulation of concentration cannot, by its nature, take; and even where "the three deeds are already complete," the lack of one instruction leaves samādhi impure. So the four are the decisive sense for entering concentration, to be upheld as a complete set. This sense is not the Śūraṅgama's innovation: the Heyi-jing and the parallel Aṅguttara chain have long set the precept-to-concentration sequence, in which concentration is a hinge, not a terminus. East Asian commentary (Zixuan, Zhenjian) shows further that the precept-as-basis is gradual-and-perfect-not-two—"arising" is not external causation but subsumption: concentration already perfectly possesses the precept within it.

6.2 Guidance for Practice

If the four instructions are a complete set, then the way to uphold them lies not in "most of four" but in the integral upholding in which not one may be lacking. More to the point is to set right the relation of precept and concentration: the precept is not an obstacle to be cleared away before concentration begins, but the ground on which concentration stands; not a two-stage labor of "first keep the precept, then cultivate concentration," but a letting of the gathered-in mind that precept-keeping has accomplished be subsumed by concentration, present along with it. A vessel without a leak fills of itself—the essential of precept-keeping is to make the mind free of outflow, not to force concentration out by the merit of keeping.

6.3 Open Questions, and a Direction

This volume's treatment of the precept has been written, all the way from the completeness of breaking the mark, to the point of joining the precept received from before onto the hinge "gathering in the mind is the precept; from the precept concentration is born"—which is exactly, on the core sequence "mindfulness, giving, the precept, concentration," the joint at which the precept (the gate of gathering-in) hands off to concentration (the inward-turning gate). This paper is the opening of that interface, not its closing: the precept being the basis for concentration, then—once one has entered the gate of concentration—how does this subsumed precept become present within concentration? And those subtle clingings within precept-keeping, how are they finely treated inside the gate of concentration? These questions no longer belong to the gate of the precept but to the gate of concentration—they are the threshold of the SAMĀDHI volume. This paper goes as far as that threshold and stops, naming the direction only, not entering. One interface brick now laid, the next volume will push open the gate of concentration.²⁵

Works Cited

Primary Canonical Sources

Śūraṅgama Sūtra (Dà fódǐng shǒulèngyán jīng), trans. Pāramiti, with Fang Rong as amanuensis. T19n0945, fascicles 6–7.
Madhyama-āgama, Heyi-jing (MĀ 42), trans. Gautama Saṃghadeva. T01n0026, fascicle 10.
Aṅguttara Nikāya 11.1, Kimatthiyasutta, PTS Aṅguttara vol. v; English translation of record: Bhikkhu Bodhi, The Numerical Discourses of the Buddha (Wisdom Publications, 2012).

Commentarial Sources

Changshui Zixuan, Subcommentary on the Meaning of the Śūraṅgama (Shǒulèngyán yìshū zhùjīng). T39n1799, fascicles 6–7.
Jiaoguang Zhenjian, Commentary on the Correct Pulse of the Śūraṅgama (Lèngyán jīng zhèngmài shū). X12n0275, fascicle 7.

Modern Scholarship

Epstein, Ron. The Shurangama-Sutra (T.945): A Reappraisal of Its Authenticity. Paper presented at the American Oriental Society, 1976.
Shulman, Eviatar. Rethinking the Buddha: Early Buddhist Philosophy as Meditative Perception. Cambridge University Press, 2014.
Groner, Paul. Saichō: The Establishment of the Japanese Tendai School. University of Hawai‘i Press, 1984.
Groner, Paul. Precepts, Ordinations, and Practice in Medieval Japanese Tendai. University of Hawai‘i Press, 2023.

Index of Canonical Sources

No.	Source	Locus	Use
T19n0945 (fasc. 6)	Śūraṅgama Sūtra · four pure and clear instructions	p0131b–0132c	crown line of the three trainings free of outflows; the four instructions in turn (lust/steaming sand · killing/stopped ears · stealing/leaking vessel · lie/carved excrement)
T19n0945 (fasc. 7)	Śūraṅgama Sūtra · capstone	p0133a	the four restraints "pure as ice and frost"; the Mātaṅgī occasion
T01n0026 (fasc. 10)	Madhyama-āgama, Heyi-jing (MĀ 42)	p0485a–b	the precept→concentration chain; "but it is dharma's own nature" as counter-evidence to voluntarism
AN 11.1	Kimatthiyasutta (Aṅguttara)	PTS AN v	the eleven-link chain; concentration as hinge, not terminus (paraphrase)
T39n1799 (fasc. 6–7)	Subcommentary on the Meaning of the Śūraṅgama (Zixuan)	p0912c, p0915b	integrating the gradual (precept as antecedent vessel) with the perfect (each one governs the mind)
X12n0275 (fasc. 7)	Commentary on the Correct Pulse of the Śūraṅgama (Zhenjian)	p0380c, p0381c	the subsumption "the former does not subsume the latter, the latter necessarily subsumes the former"; severing at the level of thought

Series Cross-References

Continuing from — SĪLA P23 Three-Circle Emptiness Applied to Sīla — P24 §I takes up, verbatim, P23's closing forward-pointer (once the three wheels are empty, how does the "unmoved" quiescent mind become the prerequisite for entering concentration?) and answers with the Śūraṅgama's "gathering in the mind is the precept; from the precept concentration is born."
Read alongside — DĀNA P18 The Reverse-Giving Hidden in Not-Taking — the third instruction (cutting off stealing) was read there from the reverse-giving (dāna) angle; P24 carries the same passage only as one of four instructions under the precept→concentration frame, not as reverse-giving (cite-by-reference, no re-derivation).
Pointing ahead (within Part VIII) — SĪLA P25 Sīla in the Twenty-Five Gateways of Perfect Penetration — the latter half of Śūraṅgama fascicle 6 (the twenty-five gateways); P24 stays in the former half (the four pure instructions) and does not enter the gateways chapter.
The volume's close — SĪLA P30 — the full SĪLA→SAMĀDHI handoff is closed there; P24, as Part VIII's opener, only opens the handoff (direction only), it does not close the volume.
Toward the next volume — the SAMĀDHI volume — once the precept is the basis, how the subsumed precept becomes present within concentration, and how the subtle clingings within precept-keeping are finely treated inside the gate of concentration; P24 stops at the threshold, naming the direction only.

正法眼藏，不立文字——The value of the Dharma lies in the Dharma itself, not in the identity of the one who expounds it.

Pointing at the Moon ｜ Six Practice Gates · SĪLA 戒｜ CC BY-NC-SA 4.0 Scriptural citations collated against the CBETA Electronic Tripiṭaka ｜ github.com/pointing-at-the-moon/six-practice-gates

Pointing at the Moon · The Six Practice Gates · Volume IV SĪLA · Paper 24 · Part VIII #1 · May 2026

Footnotes

The closing forward-pointer of the preceding paper (SĪLA P23, Three-Circle Emptiness Applied to Sīla), taken up here verbatim: once prajñā's breaking of the mark is complete and sign-less keeping has made the mind no longer moved by grasping at marks, this "unmoved" is the preliminary to entering concentration; whence the question—how does the sign-less precept turn from "the completeness of breaking the mark" into "the preliminary to entering concentration"? The three wheels of the precept being empty, how is this still-and-empty mind taken up and turned into the gate of concentration? §I begins from this question. ↩
Śūraṅgama Sūtra (Dà fódǐng shǒulèngyán jīng), fasc. 6, T19n0945, p0131b13–15 (trans. Pāramiti, with Fang Rong as amanuensis). Chinese: 「佛告阿難：『汝常聞我毘奈耶中，宣說修行三決定義，所謂攝心為戒、因戒生定、因定發慧，是則名為三無漏學。』」 Note 攝心為戒 is rendered "gathering in the mind is the precept," not generic "keeping precepts." ↩
The distinction between "what the sūtra states directly" and "what this paper reads out / names" is this series' consistent own-it discipline: the four severances, the four metaphors, and the capstone "pure as ice and frost" are the sūtra's words; the naming of the four as "load-bearing interface / hinge" is this paper's reading of the sūtra's structure. ↩
The four-instruction public form "if the (such-and-such) mind is not removed, the dust cannot get out" appears in the instructions on lust, killing, and stealing; the instruction on the great lie states the same structure through "the three deeds already complete … then samādhi is not pure." ↩
Śūraṅgama Sūtra, fasc. 6, T19n0945, p0131c15–26. Chinese (CBETA orthography preserved): 「若不斷婬修禪定者，如蒸沙石欲其成飯，經百千劫秖名熱沙。何以故？此非飯本，石沙成故。」 The variant graphs follow the CBETA base text: 婬 (not 淫), 秖 (not 祇); so throughout. ↩
Śūraṅgama Sūtra, fasc. 6, T19n0945, p0132a03–21. Chinese: 「若不斷殺修禪定者，譬如有人自塞其耳，高聲大叫求人不聞，此等名為欲隱彌露。」 ↩
Śūraṅgama Sūtra, fasc. 6, T19n0945, p0132b01–23. The "leaking vessel" follows the CBETA base text 巵 (not 卮). Note: the "leak" (漏) of 漏巵 is the same graph as the "outflow" (漏) of 無漏 ("free of outflows," anāsrava); of the four metaphors this one is bound most tightly to the sūtra's own vocabulary—the leaking vessel literally images an outflow—and is taken here as the core metaphor-anchor. Chinese: 「若不斷偷修禪定者，譬如有人水灌漏巵，欲求其滿，縱經塵劫終無平復。」 ↩
Śūraṅgama Sūtra, fasc. 6, T19n0945, p0132b29–c17. Chinese: 「如是世界六道眾生，雖則身心無殺、盜、婬，三行已圓；若大妄語，即三摩提不得清淨，成愛見魔，失如來種。所謂未得謂得，未證言證……」 ↩
Same locus as the preceding note. Chinese: 「若不斷其大妄語者，如刻人糞為栴檀形，欲求香氣無有是處。」 ↩
Śūraṅgama Sūtra, fasc. 7, T19n0945, p0133a07–11. The capstone follows the CBETA base text 氷霜 (not 冰霜). Chinese: 「阿難！汝問攝心，我今先說入三摩地修學妙門。求菩薩道，要先持此四種律儀，皎如氷霜，自不能生一切枝葉。心三口四，生必無因……如是四事若不失遺，心尚不緣色、香、味、觸，一切魔事云何發生？」 ↩
Madhyama-āgama, Heyi-jing (MĀ 42), fasc. 10, T01n0026, from p0485a13 (trans. Gautama Saṃghadeva). Chinese: 「是為，阿難！因持戒便得不悔，因不悔便得歡悅……因樂便得定。阿難！多聞聖弟子因定便得見如實、知如真……因解脫便知解脫……阿難！是為法法相益，法法相因，如是此戒趣至第一，謂度此岸，得至彼岸。」 ↩
Aṅguttara Nikāya 11.1, Kimatthiyasutta, PTS Aṅguttara vol. v (AN v.1). Following scholarly convention, the Pāli is given only in paraphrase; the translation-of-record cited here is Bhikkhu Bodhi, The Numerical Discourses of the Buddha (Boston: Wisdom Publications, 2012), AN 11.1; the Pāli is not embedded verbatim. The eleven link-names (non-remorse avippaṭisāra, tranquillity passaddhi, knowing-and-seeing-as-it-is yathābhūta-ñāṇadassana, and so forth) are technical terms, marked inline where they occur. ↩
Changshui Zixuan, Subcommentary on the Meaning of the Śūraṅgama (Shǒulèngyán yìshū zhùjīng), fasc. 7, T39n1799, p0915b. Chinese: 「戒是正順解脫之本，依因此戒得有定慧，故知三昧戒為先容。」 ↩
Same locus as the preceding note. Chinese: 「此之重禁雖約身口，一一治心。既與定慧相應，色香味觸無非實相，豈有魔事惱亂行者？」 ↩
Zixuan, Subcommentary on the Meaning of the Śūraṅgama, fasc. 6, T39n1799, p0912c. Chinese: 「雖與小乘名同，而持隨有異，此則一一內防心念，輕重等持……故與小乘持戒全別。」 ↩
Jiaoguang Zhenjian, Commentary on the Correct Pulse of the Śūraṅgama (Lèngyán jīng zhèngmài shū), fasc. 7, X12n0275, p0381c. Chinese: 「前不兼後，後必兼前。」 ↩
Zhenjian, Commentary on the Correct Pulse of the Śūraṅgama, fasc. 7, X12n0275, p0380c. Chinese: 「婬殺盜，若約身犯極麤，今從心念絕之，令一念不生，故細於心。」 ↩
The three interlocutors of this section (Epstein, Shulman, Groner) are all fresh to this series, none having been cited in the earlier papers, so as to avoid repetition. ↩
Ron Epstein, The Shurangama-Sutra (T.945): A Reappraisal of Its Authenticity (paper presented at the annual meeting of the American Oriental Society, 1976). Epstein holds the sūtra to be "probably a composite work." ↩
Eviatar Shulman, Rethinking the Buddha: Early Buddhist Philosophy as Meditative Perception (Cambridge: Cambridge University Press, 2014). ↩
Paul Groner, Saichō: The Establishment of the Japanese Tendai School (Berkeley Buddhist Studies Series; reissued, Honolulu: University of Hawai‘i Press, 1984); and Precepts, Ordinations, and Practice in Medieval Japanese Tendai (Honolulu: University of Hawai‘i Press, 2023). ↩
Madhyama-āgama, Heyi-jing (MĀ 42), fasc. 10, T01n0026, p0485a (the passage immediately preceding that cited at ¹¹): the precept-keeper should not think "let me be free of remorse"; rather "non-remorse" is "dharma's own nature," arising of itself once precept-keeping is accomplished. This is the counter-evidence against voluntarism, answering to the structural (not effortful) character of the Pāli chain. Chinese: 持戒者「不應思『令我不悔』……但法自然」。 ↩
The Mātaṅgī woman is named at T19n0945, fasc. 7, p0133a14–16. The order of the four instructions is fixed by the sūtra's narrative occasion and differs from the usual Vinaya order "killing, stealing, lust, lying"; it must not be read as the Śūraṅgama's re-judging of the gravity of the precepts. ↩
The third instruction, "cutting off stealing" ("if the stealing mind is not removed, the dust cannot get out," T19n0945 fasc. 6 p0132b), was read in this series' DĀNA volume (DĀNA P18, The Reverse-Giving Hidden in Not-Taking) from the opposite face, as a discourse on giving; this paper takes it only as one of the four instructions, set under the sequence from precept to concentration, and does not restate that reverse-giving discourse. This note marks the boundary only. ↩
Per this series' plan, the full close of this volume is borne by a dedicated paper (SĪLA P30); this paper, P24, is the opener of Part VIII and makes only the opening of the precept-to-concentration handoff, not the volume's whole close. Further: the twenty-five gateways of perfect penetration (the latter part of Śūraṅgama fasc. 6) are the home ground of the next paper (P25); this paper stays with the four pure and clear instructions (the former part of fasc. 6) and does not enter the gateways chapter. ↩

Source on GitHub ↗