Dharma · AI Companion

八斷行

aṣṭau prahāṇasaṃskārāḥ

八断行指欲、策励、信、安、念、正知、思、舍八种断除烦恼随眠之修行行相。AI-generated

Type PracticeDifficulty IntermediateTruth-level span I · dependent arisingInitial AI estimate · evolves with use

A Contemporary ReadingAI-generated

What this concept is saying

八斷行 (*aṣṭau prahāṇasaṃskārāḥ*, the eight practices or formations of abandoning) are eight coordinated modes of cultivation: 欲 (aspiration), 策勵/正勤 (sustained right effort), 信 (confident trust), 安/輕安/猗 (tranquil pliancy), 念 (mindful retention), 正知/智 (clear comprehension), 思 (volitional adjustment), and 捨 (equanimity).

They describe how a practitioner develops and regulates meditation until 三摩地 (*samādhi*, collected meditative stability) becomes mature and 煩惱隨眠 (latent afflictive tendencies) can be relinquished. “Eight” therefore does not mean eight unrelated virtues. They form a working system: motivation initiates practice, effort carries it forward, trust prevents collapse, pliancy makes stability sustainable, mindfulness holds the object, clear comprehension detects deviation, volition applies the appropriate remedy, and equanimity stops unnecessary interference once balance has been restored.

The word 斷, “abandoning,” requires care. A disturbing state may temporarily disappear without its underlying disposition having been eradicated. Someone can spend an hour in a quiet room without feeling angry, yet become furious as soon as a familiar person makes a familiar remark. The quiet hour shows that anger was not presently manifest; the later encounter shows that its 隨眠, its dormant tendency or “lying latent,” remained.

This is precisely the problem addressed by the eight practices. In the account of the 《瑜伽師地論》 (*Yogācārabhūmi*), earlier concentration obtained through the four governing powers of aspiration, effort, mind, and investigation can separate the practitioner from active 諸纏—afflictions presently binding the mind. But temporary distance from an affliction is not yet its final abandonment. The eight practices operate in the further cultivation that both perfects samādhi and works against the latent source from which the affliction can arise again.

Their place on the path can be represented simply:

active affliction is calmed → the mind becomes workable → its latent conditioning is exposed under observation → the proper remedy is repeatedly cultivated → the mind meets relevant conditions without being stained or thrown off balance

That is why these eight belong to the context of the 四神足 (four bases of spiritual power or accomplishment) and are also cultivated according to the practical logic of the 四正斷 (four right abandonings or right efforts). “Spiritual power” here should not distract us into thinking primarily about miraculous feats. The foundational accomplishment is a mind that can remain collected, investigate what binds it, apply a remedy when needed, and cease applying it when the work is done.

The eight must be understood individually and relationally.

1. 欲 — aspiration

欲 here is not craving for sensory possession. It is the wholesome wish: “When will my samādhi become complete? When will these latent unwholesome tendencies be finally relinquished?” It gives cultivation a definite direction.

This distinction matters because Buddhism does not treat every form of wanting as identical. Craving grasps at an object as a source of “me” or “mine”; this aspiration wishes to cultivate the conditions through which grasping can be understood and abandoned. Without such aspiration, practice easily becomes vague admiration for awakening rather than movement toward it.

2. 策勵/正勤/勤 — sustained right effort

The 《瑜伽師地論》 defines 策勵 as not stopping or resting until all the required countermeasures have been cultivated. It is persistence in the appropriate practice, not sheer exertion.

Right effort is therefore neither self-punishment nor nervous intensity. A person can strain tremendously while reinforcing pride, fear, or aversion. The “rightness” of the effort lies in its direction and suitability: it supports abandoning and does not merely satisfy the identity of being a heroic practitioner.

3. 信 — confident trust

信 is not compulsory belief adopted in the absence of examination. In this context, through not abandoning practice and dwelling correctly in cultivation, one develops deep confidence regarding higher attainments still to be realized. It makes aspiration psychologically possible: if liberation seems utterly unreal, the wish to cultivate it will not survive difficulty.

The treatises arrange the first elements differently in order to emphasize different causal perspectives. The 《辯中邊論》 (*Madhyāntavibhāga*) lists aspiration, right effort, trust, and pliancy, while explaining trust as the near cause of aspiration: because one trusts the practice, one wishes to undertake it. The 《大乘莊嚴經論》 (*Mahāyānasūtrālaṃkāra*) places trust first—信、欲、勤、猗—making the initiating sequence explicit: from trust comes aspiration, and from aspiration comes effort. These are complementary explanatory arrangements, not competing lists of different practices.

4. 安/輕安/猗 — tranquil pliancy

安 is explained as 輕安, and 猗 carries the same sense here. Following purified trust, the mind becomes joyful; through that joy, the 麁重—burdensome rigidity or unworkability associated with unwholesome qualities—is gradually pacified. The result is a mind-body complex increasingly fit for cultivation.

Pliancy is not merely “feeling relaxed.” One can be pleasantly drowsy, avoidant, or absorbed in entertainment and still lack all meditative fitness. Genuine lightness makes the mind more available, stable, and responsive, not less lucid. In the 《辯中邊論》 it is the proximate fruit of right effort: well-directed effort eventually yields superior concentration rather than permanent inner strain.

5. 念 — mindful retention

念 is the capacity that keeps the intended object and instruction from being lost. The 《瑜伽師地論》 places it on the side of 奢摩他 (*śamatha*, calm abiding): by the relevant modes of settling, the mind is established upon its object. The 《辯中邊論》 says that mindfulness remembers the object and retains the sacred teaching or instruction.

Mindfulness is consequently not bare contact with whatever happens to appear, and not simply “being in the present.” Here it has a task and a reference: it remembers what the mind is doing and does not let the intended object disappear unnoticed.

6. 正知/智 — clear comprehension

正知 is the discerning awareness that recognizes what is occurring in practice. The 《瑜伽師地論》 places it on the side of 毘鉢舍那 (*vipaśyanā*, insight). The 《辯中邊論》 gives it a particularly practical function: it detects 惛沈 (dullness or sinking) and 掉舉 (agitation or excitation).

Mindfulness and clear comprehension are therefore not synonyms. Mindfulness retains the object and instruction; clear comprehension diagnoses the condition of the mind in relation to them. If mindfulness is the continuity of holding the steering wheel, clear comprehension notices that the car is drifting, slowing into stupor, or accelerating into restlessness. The comparison is only functional: a mind is not literally a mechanical control system.

7. 思 — volitional adjustment

思 is mental volition or intentional formation, not discursive “thinking” in the everyday sense. On examining whether an affliction has or has not been abandoned, it directs and forms the mind; it also initiates bodily and verbal conduct conducive to calm abiding and insight.

In the practical scheme of the 《辯中邊論》, clear comprehension detects dullness or agitation, and 思 then initiates the effort that subdues it. The 《大乘莊嚴經論》 especially associates 思 with counteracting sinking. If the mind has become dim, the practitioner does not merely register “dullness is present.” Volition applies an appropriate response—renewing attention, recollecting the purpose, adjusting posture, or otherwise arousing the mind.

According to the 《瑜伽師地論》, 思 is also involved in assessing abandonment when the relevant provocative object is not presently encountered. One intentionally examines the mind and arranges conditions conducive to calm and insight. But such an assessment remains incomplete until the mind is tested in contact with the kind of object that formerly triggered it.

8. 捨 — equanimity

捨 is the mind’s unstained equality regarding past, future, and present circumstances conducive to unwholesome states. Once dullness or agitation has ceased, the mind remains balanced and continues evenly. It does not keep manipulating a condition that has already been corrected.

Equanimity is neither indifference nor emotional shutdown. Indifference fails to care; equanimity cares without appropriation, hostility, or compulsive reaction. It is also not passivity. It comes after aspiration, effort, detection, and remedy. Its restraint is intelligent: further intervention would itself disturb the balance.

This last point addresses a subtle meditative fault identified by the 《辯中邊論》. Failing to act when dullness or agitation has arisen is a fault—but continuing to apply a remedy after they have ceased is another fault. A good practitioner must know not only how to act but when to stop acting.

The texts organize these functions in several illuminating ways.

The 《辯中邊論》 divides them into two groups. Aspiration, right effort, trust, and pliancy overcome laziness: aspiration supports effort; effort arises dependent on aspiration; trust is a near cause of aspiration; pliancy is a near result of effort. Mindfulness, clear comprehension, volition, and equanimity address the remaining failures: mindfulness retains, clear comprehension detects sinking and agitation, volition applies the remedy, and equanimity maintains an even flow after the disturbance has ended.

The 《大乘莊嚴經論》 gives a “three–one–two–two” arrangement under four skillful means:

- Trust, aspiration, and effort constitute the means of initiation. - Pliancy constitutes the means of continued gathering and stabilization. - Mindfulness and clear comprehension constitute the means of binding the mind to its cultivation: mindfulness prevents loss of the object, while clear comprehension notices departure and gathers the mind back. - Volition and equanimity constitute the means of counteraction: volition responds especially to sinking, while equanimity counters agitated interference and sustains balance.

This architecture is important. The eight practices are not a spiritual checklist to be admired all at once. They describe a dynamic process with different responses at different moments. Sometimes the deficiency is that practice has not begun; sometimes that the mind cannot remain; sometimes that deviation is unnoticed; sometimes that a noticed fault is not treated; and sometimes that treatment continues after it is no longer needed.

A walk-through in everyday life

Imagine someone who repeatedly reaches for their phone during an evening meditation period. The visible action is small, but the pattern is familiar: a moment of discomfort appears, the hand moves, a feed opens, and twenty minutes vanish. Let us walk through the eight practices without distorting their classical meanings.

First, the practitioner notices that merely putting the phone in another room suppresses the behavior only while the trigger is absent. The active entanglement has been restrained, but the latent disposition toward stimulation, escape, comparison, or reassurance has not necessarily been abandoned. This is the distinction between temporarily removing a condition and transforming the tendency that responds to it.

Aspiration: The practitioner forms the wholesome wish, “May the mind become stable enough to know this restlessness rather than automatically obey it; may the underlying compulsion eventually cease.” This is not the craving, “I must become a perfect meditator tonight.” The latter makes an idealized self into another object of grasping.

Right effort: They return to the practice consistently and cultivate the needed remedies without giving up simply because the pattern recurs. Perhaps they establish a regular period, simplify the environment, and return to the meditation object whenever distraction occurs. Effort here is sustained appropriateness. Gripping the breath with a headache and condemning every distraction would be intensity, but not necessarily right effort.

Confident trust: Repeated moments in which an urge arises and passes without being enacted show that another response is possible. Together with trust in the teaching and path, this gives confidence in deeper freedom not yet realized. This confidence supports renewed aspiration. It does not amount to claiming that one has eradicated the tendency merely because one resisted it twice.

Tranquil pliancy: With suitable effort, bodily rigidity and mental resistance begin to soften. Sitting is less of a battle; the mind becomes bright and serviceable. This must not be confused with slumping into a pleasant haze. If alertness has diminished, that is likely dullness, not pliancy.

Mindful retention: The practitioner remembers the chosen object—perhaps the breath—and the instruction governing the session. When the feed, an unfinished email, or an imaginary conversation appears mentally, mindfulness prevents the original task from being completely forgotten. The common mapping error is to call every awareness of screen content “mindfulness.” Knowing that one is looking at a video is not, by itself, the mindful retention relevant here; the question is whether the intended object and purpose have been remembered rather than lost.

Clear comprehension: The practitioner discerns how the mind is departing. Is it sinking into fog and boredom? Is it agitated by the hope of a message? Is irritation narrowing the body? Is excitement repeatedly constructing the next thing to check? This diagnosis is more precise than the vague judgment “My meditation is bad.” Mindfulness retains the reference point; clear comprehension recognizes the deviation.

Volitional adjustment: Once agitation or dullness is recognized, the practitioner intentionally applies an appropriate remedy. For dullness, they may straighten the posture, open the eyes, clarify the object, or recollect the urgency of practice. For agitation, they may soften excessive effort, relax bodily tension, and re-establish attention. Volition may also shape conduct outside the session: placing the phone away, speaking honestly to a partner about attention habits, or changing bedtime routines can be bodily and verbal actions supportive of calm and insight.

This is not mere “thinking about the problem.” 思 is the intentional formation that mobilizes a fitting response.

Equanimity: Once balance returns, the practitioner stops correcting. They neither congratulate themselves nor anxiously check every second to see whether distraction has returned. The mind remains evenly with the object. Later, when the phone is actually present and a provocative notification arrives, the practitioner observes whether the mind can remain unstained and balanced. This live encounter reveals more than calm maintained only in the absence of the trigger.

The same sequence can illuminate a conflict in an intimate relationship. Aspiration wishes to cease the recurring defensive pattern; effort repeatedly cultivates listening and restraint; trust keeps change conceivable; pliancy relaxes the hardened posture of self-protection; mindfulness remembers the intention not to retaliate; clear comprehension detects rising shame, anger, or mental withdrawal; volition chooses a measured response or a timely pause; equanimity meets the partner’s words without either aggression or frozen indifference.

Yet the eight practices must not be reduced to a communication technique. A successful conversation may still reinforce attachment to being admired, fear of abandonment, or identification with being “the reasonable one.” The liberative question goes further: what latent appropriation produces suffering when experience does not confirm the self one is trying to maintain?

Algorithmic systems provide another useful but limited comparison. Recommendation feeds learn recurrent patterns and make certain responses easier to repeat. In a loose analogy, latent afflictive tendencies also condition what becomes likely when suitable circumstances appear. But the comparison must stop there. Buddhist 隨眠 belongs to a soteriological analysis of experience, karma, ignorance, and liberation; it is not identical to a computational weight, neural pathway, or behavioral prediction. Neuroscience and behavioral science can study aspects of attention and habit, but their models remain debated and do not scientifically establish the Buddhist account of liberation.

Why contemporary people need it

Contemporary life excels at encouraging two mistakes: confusing intention with transformation, and confusing temporary relief with freedom.

We save a meditation course and feel that we have begun. We remove an app and assume the compulsion has ended. We have one calm holiday and conclude that chronic resentment is gone. We understand a psychological pattern intellectually and expect that understanding alone to prevent its recurrence. The eight practices expose the missing transitions.

Trust without aspiration remains admiration. Aspiration without effort remains fantasy. Effort without pliancy becomes exhausting. Pliancy without mindfulness can become comfortable drift. Mindfulness without clear comprehension holds something but cannot accurately diagnose the mind. Clear comprehension without volition observes the fault without treating it. Volition without equanimity overcorrects. Equanimity without the preceding factors is easily counterfeit passivity.

The scheme is especially valuable because it rejects the fantasy that one mental attitude is appropriate at every stage. Contemporary self-help often elevates a single answer—try harder, accept everything, stay present, believe in yourself. The eight practices are wiser and more conditional. When laziness dominates, effort is needed. When effort has produced rigidity, pliancy is needed. When the object has been lost, mindfulness is needed. When a disturbance is unclear, discernment is needed. When a known disturbance persists, intervention is needed. When the disturbance has ceased, non-interference is needed.

This is a mature account of self-regulation because it includes its own brake. The path is not endless self-optimization. Its aim is the relinquishment of the causes of bondage. Effort is indispensable, but compulsively manufacturing a better spiritual self would reproduce the grasping that practice is meant to expose.

The eight practices also locate concentration within the path of liberation. Samādhi is not merely a refuge from noise, a productivity enhancer, or a source of unusual experiences. It makes the mind stable and workable enough for afflictive processes to be discerned and countered. Calm abiding and insight cooperate: 念 sustains the stability associated here with śamatha, while 正知 provides the discerning function associated with vipaśyanā. Stability without discernment may leave the roots untouched; analysis without stability may remain clever but powerless in the moment of provocation.

Most importantly, the scheme asks for evidence at the point of contact. It is relatively easy to believe that anger, craving, or conceit has disappeared while the relevant object is absent. The 《瑜伽師地論》 distinguishes examining abandonment when the object is not manifest through 思 from knowing it when the object is actually present through 捨. The true test is not “Can I feel detached when nothing challenges me?” but “What happens when praise, blame, attraction, exclusion, uncertainty, or loss arrives?”

That does not mean deliberately seeking dangerous or overwhelming situations. It means refusing to mistake protected calm for complete liberation. Ethical judgment, gradual training, and suitable conditions remain essential.

Common misreadings and clarifications

“These are eight ways of suppressing emotion.” No. The target is not emotional life as such, and 斷 is not simply pushing an experience out of awareness. Suppression may temporarily remove an active manifestation while leaving—or strengthening—the latent tendency. The eight practices cultivate sufficient stability and discernment to prevent affliction from governing the mind and ultimately to abandon its underlying basis.

“欲 must be craving, so it cannot belong to the path.” Here 欲 is wholesome aspiration directed toward mature samādhi and the final abandonment of latent unwholesome tendencies. It is not possessive thirst. Treating every wish as the same would erase distinctions the classical account expressly needs.

“策勵 means relentless hustle.” It means not abandoning the cultivation of the required remedies before they are established. It does not sanctify exhaustion. Since pliancy is a fruit of proper effort, increasingly brittle and agitated striving is evidence that the mode of effort may need correction.

“信 means believing without evidence.” In this context it is confidence that supports aspiration and deepens through correct, sustained cultivation. It can precede full realization without being irrational credulity. The texts also allow a reciprocal development: trust gives rise to aspiration, while practice and partial verification strengthen trust regarding what lies beyond one’s present attainment.

“安 is ordinary relaxation.” 安, 輕安, and 猗 refer here to pliancy and the pacification of burdensome unworkability. Sedation, avoidance, and dull comfort are not equivalent. Pliancy supports lucid concentration.

“念 is simply awareness of the present moment.” Its defining work here is retention: it does not forget the object or the relevant instruction. A person may be vividly conscious of a distraction while having entirely forgotten the purpose of practice. That is awareness, but not yet the function assigned to 念 in this eightfold system.

“正知 is the same thing as 念.” They cooperate but differ. Mindfulness retains; clear comprehension discriminates. In the 《辯中邊論》, the former remembers the object and teaching, while the latter detects dullness and agitation.

“思 means having thoughts.” Here 思 is intentional mental formation or volition. It directs the mind and initiates bodily and verbal actions conducive to calm and insight. It is the factor that moves from diagnosis to an appropriate remedy.

“捨 means not caring.” Equanimity is an unstained equality of mind, not emotional anesthesia. It can coexist with compassion, responsibility, and vigorous action. Its special wisdom is freedom from reactive appropriation and the ability to stop interfering when the mind has returned to balance.

“The eight practices only cure laziness.” Only the first group—aspiration, effort, trust, and pliancy—is specifically organized as the remedy for laziness in the 《辯中邊論》. Mindfulness, clear comprehension, volition, and equanimity address loss of the object, failure to notice sinking or agitation, failure to apply a remedy, and failure to stop applying it. More broadly, the 《瑜伽師地論》 presents all eight as cultivation directed toward harming latent afflictions and perfecting samādhi.

“八斷行 means the eight occasions for exertion.” No. The 《瑜伽師地論》 separately discusses eight occasions associated with alms-seeking, tasks, travel, and bodily imbalance in which energy is aroused against laziness. Those “eight occasions for exertion” are not the eight abandoning practices. 八斷行 specifically names aspiration, effort, trust, pliancy, mindfulness, clear comprehension, volition, and equanimity.

“The different ordering proves that the sources disagree about what the eight are.” The principal difference concerns emphasis and terminology. The 《瑜伽師地論》 and 《辯中邊論》 order the first four as 欲、勤、信、安; the 《大乘莊嚴經論》 uses 信、欲、勤、猗 to display the initiating causal sequence from trust to aspiration to effort. 策勵, 正勤, and 勤 refer to the effort factor in their respective formulations; 安, 輕安, and 猗 identify the pliancy factor; 正知 and 智 identify the discerning factor. The functional structure remains recognizable.

Ultimately, the eight abandoning practices answer a question more demanding than “How can I become calm?” They ask: how does a mind become willing to train, capable of continuing, light enough to settle, faithful to its object, lucid about its condition, responsive when a remedy is needed, and non-interfering when it is not—so that calm is no longer merely an interval between afflictions, but part of the path by which their latent hold is brought to an end?

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定义与核心要义

八断行,梵语 aṣṭau prahāṇasaṃskārāḥ,指八种用以断除烦恼随眠、令三摩地圆满的修行行相,瑜伽部类三部典籍皆于修习止观、成就四神足的脉络中安立此八行,视其为害随眠之瑜伽,与先前四三摩地共同成办永断随眠及三摩地圆满,又称「胜行」。

主要阐述

《瑜伽师地论》将八断行安立于断除烦恼随眠、圆满三摩地的修习次第中。行者先依欲、勤、心、观四种增上力所得三摩地远离现行诸缠,但仍未永害一切恶不善法的随眠;因此更生乐欲、策励,依四正断的加行道理修习。正修习时,为永害诸随眠及令三摩地圆满,八种差别行相随之而转。

八者依次为欲、策励、信、安、念、正知、思、舍。「欲」是希望三摩地何时圆满、恶不善法随眠何时断灭;「策励」是直至修成所有对治,始终不舍加行;「信」是由不舍加行、正住修习,对较上所证深生信解。「安」以清净信为先导,令心欢喜,再由欢喜渐次息除恶不善法品的麁重;「念」指以九种相安住其心,属奢摩他品所摄持;「正知」即毘钵舍那品之慧,由此可见本论以「奢摩他」与「毘钵舍那」分别标示止、观二品,以「麁重」称所应渐次息除者。「思」即心之造作:于观察烦恼已断、未断之时,造作其心,并发起能随顺止观二品的身业、语业。「舍」则是在过去、未来、现在一切随顺恶不善法的境况中,保持心无染污与心平等性。对随眠是否已断,依两种因缘分别了知:境界不现见时由「思」,境界现见时由「舍」。论中进一步归摄八行:欲即乐欲,策励即精进,信仍为信;安、念、正知、思、舍则总属方便。

《辩中边论》将八断行置于四神足的修习脉络中说明:依先前所修的离集精进,心遂能安住而具堪能性;为成就所欲的殊胜事业,进修四神足,此处「住」即心住,亦即等持;四神足所成的堪能性,具体表现为能灭除五种过失、修习八种断行。本论说明五种过失时,将惛沈与掉举合立为一失;对已生的惛沈、掉举不作加行以求灭除是一失;惛沈、掉举已灭却仍继续发起加行又是一失,连同懈怠等共成五失,八断行即为对治、灭除此五失而安立。

八断行分为两组。第一组专为断除懈怠,即修「欲、勤、信、安」,释文完整称为「欲、正勤、信、轻安」,依次配属所依、能依、所因、能果:欲是正勤的所依,正勤依欲而起故为能依;信是欲生起的近因;轻安则是正勤近所生的果。第二组对治其余四种过失,即修「念、智、思、舍」,释文将「智」明称为「正知」,依次配属记言、觉沈掉、伏行、灭等流:念能不忘所缘、忆持圣言;正知随时觉察惘沈、掉举;思发起加行以伏除之;沈掉既断,心安住于舍,平等相续而流。

《大乘庄严经论》以四方便为纲领、八断行为其行相,释文明列八行为信、欲、勤、猗、念、智、思、舍。偈颂总标「起作及随摄,系缚并对治,随次八断行,三一二二成」,依三、一、二、二之分配成立四方便:起作方便由信、欲、勤三行成立,「由信起欲、由欲起勤,如是次第故」;随摄方便由猗一行成立,「由猗息已定得生故」;系缚方便由念、智二行成立,「由正念故心于定中不离所缘,由正智故心离所缘觉已随摄」;对治方便由思、舍二行成立,「由思故对治没缠,由舍故对治掉缠」。本论亦从障碍面列懈怠、不解、拒请、不开义、不断疑、断疑不坚固、厌退、有悋等八种过,以及轻佛、轻法、懈怠、少知足、贪行、慢行、悔行、不定等八种障。

不同部类与译本的表述差异

八断行名称的差异主要见于前四行的用词与次第:

一、「策励/正勤/勤」:《瑜伽师地论》作「策励」;《辩中边论》颂文作「勤」,释文明作「正勤」;《大乘庄严经论》作「勤」。

二、「安/轻安/猗」:《瑜伽师地论》作「安」;《辩中边论》颂文作「安」,释文明作「轻安」;《大乘庄严经论》作「猗」,即轻安之义。

三、「正知/智」:《瑜伽师地论》与《辩中边论》释文皆作「正知」;《辩中边论》颂文作「智」;《大乘庄严经论》作「智」。

四、八行之次第:《瑜伽师地论》与《辩中边论》皆以「欲、勤、信、安」为前四行;《大乘庄严经论》则以「信、欲、勤、猗」为前四行,信置于首位,此次第差异反映三论对修行发起之因的不同侧重。

五、配属方式:《瑜伽师地论》将八行归摄为「欲、策励即乐欲精进,信仍为信,安、念、正知、思、舍总属方便」;《辩中边论》分前四行为所依、能依、所因、能果,后四行为记言、觉沈掉、伏行、灭等流;《大乘庄严经论》以三、一、二、二之数字结构配属起作、随摄、系缚、对治四方便,为本论独有。

与相关概念的关系

八断行与四神足关系密切,三论皆于四神足修习脉络中安立此八行,《瑜伽师地论》明说八断行为「三摩地断行成就神足」所摄。八断行亦与四正断相关,《瑜伽师地论》明言依四正断的加行道理修习,正修习时八断行随之而转。此外,《瑜伽师地论》另说「于八时中发勤精进」,列乞食、所作、游行、界不平等四处所生八种时机以伏除懈怠,但此八时并非八断行,本论特为区别。

代表性原文引用

《瑜伽师地论》:八种断行者,一欲、二策励、三信、四安、五念、六正知、七思、八舍。欲者,谓我何时当于三摩地圆满、或于随眠究竟断灭;策励者,谓乃至修成所有对治不止不息;信者,谓于较上所证深生信解。

《辩中边论》:欲、正勤、信、轻安、念、正知、思、舍。欲是正勤所依、正勤是欲能依、信是欲因、轻安是精进果;念能记言、正知觉沈掉、思能伏行、舍灭等流。

By SutraAI-generated

瑜伽師地論T1579 · 瑜伽部

《瑜伽師地論》將「八斷行」安立於斷除煩惱隨眠、圓滿三摩地的修習次第中。行者先依欲、勤、心、觀四種增上力所得三摩地遠離現行諸纏,但仍未永害一切惡不善法的隨眠;因此更生樂欲、策勵,依四正斷的加行道理修習。正修習時,為永害諸隨眠及令三摩地圓滿,八種差別行相隨之而轉,論中明稱「八種斷行」,又稱「勝行」。

八者依次為欲、策勵、信、安、念、正知、思、捨。「欲」是希望三摩地何時圓滿、惡不善法隨眠何時斷滅;「策勵」是直至修成所有對治,始終不捨加行;「信」是由不捨加行、正住修習,對較上所證深生信解。

「安」以清淨信為先導,令心歡喜,再由歡喜漸次息除惡不善法品的麁重;「念」指以九種相安住其心,屬奢摩他品所攝持;「正知」即毘鉢舍那品之慧。由此可見,《瑜伽師地論》在此明用「奢摩他」與「毘鉢舍那」二名分別標示止、觀二品,並以「麁重」稱所應漸次息除者。

「思」即心之造作:於觀察煩惱已斷、未斷之時,造作其心,並發起能隨順止觀二品的身業、語業。「捨」則是在過去、未來、現在一切隨順惡不善法的境況中,保持心無染污與心平等性。論又說,對隨眠是否已斷,依兩種因緣分別了知:境界不現見時由「思」,境界現見時由「捨」。

論中進一步歸攝八行:欲即樂欲,策勵即精進,信仍為信;安、念、正知、思、捨則總屬方便。因此,八斷行並非僅指一般斷除懈怠,而是論中明定的「為害隨眠瑜伽」,與先前四三摩地共同成辦永斷隨眠及三摩地圓滿,總攝於欲、勤、心、觀四種「三摩地斷行成就神足」。其特色術語是「八種斷行」與「勝行」並稱,且使用「隨眠」「諸纏」「三摩地」「神足」等語說明其所斷、所修與所得。

《瑜伽師地論》另說,勤精進者能在乞食、所作、遊行、界不平等四處所生的八種時機中伏除懈怠、發勤精進;但該段稱「於八時中發勤精進」,並未將那八時稱為「八斷行」。故本論所謂八斷行,專指上述欲乃至捨八法,不宜與八種懈怠時機混同。

辯中邊論T1600 · 瑜伽部

《辯中邊論》將「八斷行」置於四神足的修習脈絡中說明:依先前所修的離集精進,心遂能安住而具堪能性;為成就所欲的殊勝事業,進修四神足。此處「住」即心住,亦即等持;四神足所成的堪能性,具體表現為能滅除五種過失、修習八種斷行。

本論說明五種過失時,將惛沈與掉舉合立為一失;此外,對已生的惛沈、掉舉不作加行以求滅除,是一失;惛沈、掉舉已滅,卻仍繼續發起加行,又是一失。連同懈怠等,共成五失,而八斷行即為對治、滅除此五失而安立。

八斷行分為兩組。第一組專為斷除懈怠,即修「欲、勤、信、安」;本論於釋文中完整稱為「欲、正勤、信、輕安」。四者依次配屬「所依、能依、所因、能果」:欲是正勤的所依,正勤依欲而起,故為能依;信是欲生起的近因,因信受所修之法,便生希望;輕安則是正勤近所生的果,精勤者由此獲得勝定。

第二組用以對治其餘四種過失,即修「念、智、思、捨」;釋文又將「智」明稱為「正知」。四者依次配屬「記言、覺沈掉、伏行、滅等流」:念能不忘所緣之境,並憶持聖言,故名記言;依念之記言,正知得以隨時覺察惛沈、掉舉,故名覺沈掉;察覺沈掉之失後,由思發起加行以伏除之,故名伏行;沈掉既已斷滅,心便安住於捨,平等相續而流,故名滅等流。

就術語形式而言,本論的頌文以「欲、勤、信、安」與「念、智、思、捨」概括八行,釋文則明確展開為「欲、正勤、信、輕安、念、正知、思、捨」。因此,「勤」對應「正勤」,「安」對應「輕安」,「智」對應「正知」;這是《辯中邊論》在頌、釋之間所呈現的用詞對應,記錄此概念時不宜忽略。

大乘莊嚴經論T1604 · 瑜伽部

《大乘莊嚴經論》以「八斷行」作為斷除煩惱隨眠之修行行相,置於四種方便——起作、隨攝、繫縛、對治——的架構中加以論說。

本論所列八斷行為:信、欲、勤、猗、念、智、思、捨。於用詞上,本論以「猗」對應一般所稱之「安」(輕安),以「智」對應一般所稱之「正知」,此乃本論譯語之特色,宜加辨明。

八斷行與四方便之配屬為「三一二二」之數:前三行(信、欲、勤)成立起作方便;第四行(猗)成立隨攝方便;第五、六行(念、智)成立繫縛方便;第七、八行(思、捨)成立對治方便。

各方便之別義,本論釋曰如下:

其一,起作方便由信、欲、勤三行成立。三者有因果次第——「由信起欲、由欲起勤,如是次第故」。以信為根本,發起求證之欲,由欲而策動修行之勤,故此三行乃發起修行的根本動力。

其二,隨攝方便由猗一行成立。論云「由猗息已定得生故」,意即猗行能令身心輕安息慮,於輕安中生起正定,故僅以一行即足以成立隨攝。

其三,繫縛方便由念、智二行成立。論云「由正念故心於定中不離所緣,由正智故心離所緣覺已隨攝」——正念使心於定中恆住所緣而不散失,正智則使心於出定離所緣時能覺知並返攝其心,二者相資以繫縛其心不令馳散。

其四,對治方便由思、捨二行成立。論云「由思故對治沒纏,由捨故對治掉纏,此二是諸煩惱對治故」——思能對治沉沒之纏,捨能對治掉舉之纏,故此二行專以破壞煩惱為其功用。

綜上所說,《大乘莊嚴經論》以四方便統攝八斷行,每行皆有其於斷惑修行中之特定功能,彼此間有明確之因果與相資次第。論中獨以「猗」譯輕安、以「智」譯正知,可作為辨識本論譯語的標記。

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