Dharma · AI Companion

六受

ṣaḍ-vedanā

由眼耳鼻舌身意触所生六类感受。AI-generated

Type Mental factorDifficulty IntroductoryTruth-level span I · dependent arising ⇢ II · emptinessInitial AI estimate · evolves with use

六受依六触而生、摄于受蕴,立于缘生(第一重);『受即是空』属正面重释,可至性空(第二重)。

A Contemporary ReadingAI-generated

What this concept is saying

The six feelings—六受 (*ṣaḍvedanā*, six classes of *vedanā*)—are six kinds of felt experience distinguished by the contact from which each arises:

1. feeling born of eye-contact; 2. feeling born of ear-contact; 3. feeling born of nose-contact; 4. feeling born of tongue-contact; 5. feeling born of body-contact; 6. feeling born of mind-contact.

Here “feeling” does not primarily mean an emotion such as jealousy, anxiety, or affection. *Vedanā* is the immediate affective tone of an experience: it is felt as pleasant, painful, or neither-painful-nor-pleasant. A complex emotion may contain many rapidly changing feelings, together with recognition, interpretation, memory, intention, and bodily reactions. The six feelings isolate one precise element within that larger event: how an encounter is felt.

The governing principle is the line preserved in the *Abhidharmakośabhāṣya* (*Abhidharma Treasury Treatise*, T1558): “從此生六受”—“From these [six contacts] arise the six feelings.” The expanded formula is: “眼觸為緣生眼觸所生受”—“With eye-contact as condition, feeling born of eye-contact arises.” The other five follow exactly the same pattern.

That full wording matters. The texts do not simply say “eye-feeling” or “ear-feeling,” because an eye by itself does not manufacture feeling. Nor does a visible object by itself contain pleasure or pain. First there is a corresponding configuration:

sense faculty + object + corresponding consciousness → contact → feeling

Thus eye faculty, visible form, and eye-consciousness condition eye-contact; with that contact as condition, eye-contact-born feeling arises. The structure is repeated without compression:

- Eye-contact-born feeling arises in dependence on eye-contact—the encounter involving eye, visible form, and eye-consciousness. - Ear-contact-born feeling arises in dependence on ear-contact—the encounter involving ear, sound, and ear-consciousness. - Nose-contact-born feeling arises in dependence on nose-contact—the encounter involving nose, odor, and nose-consciousness. - Tongue-contact-born feeling arises in dependence on tongue-contact—the encounter involving tongue, flavor, and tongue-consciousness. - Body-contact-born feeling arises in dependence on body-contact—the encounter involving the bodily faculty, a tangible object, and body-consciousness. - Mind-contact-born feeling arises in dependence on mind-contact—the encounter involving the mental faculty, a mental object, and mind-consciousness.

In the Abhidharma account supplied here, contact (觸, *sparśa*) is a distinct factor produced through the conjunction of faculty, object, and consciousness. It is not merely a casual synonym for their meeting. Feeling is likewise distinct: it is neither the faculty, nor the object, nor consciousness, nor contact itself.

This prevents several subtle mistakes. Seeing a cake is not yet visual pleasure merely because the cake looks attractive “in itself.” A visible object is present, eye-consciousness occurs, eye-contact is established, and the experience is felt in a certain way. Under different conditions, the same cake may be enticing, nauseating, or affectively unremarkable. The feeling is conditioned—not lodged permanently inside the object.

The term six feeling-bodies—六受身—can be misleading in English. Here 身 means an aggregate, collection, or class: the collective set of six feelings. It does not mean that all six are physical sensations.

The *Abhidharmakośabhāṣya* then makes a different distinction with the formula “五屬身餘心”—“Five belong to the bodily side; the remaining one to the mental side.” The first five are called bodily feelings because they depend upon material sense faculties; feeling born of mind-contact is called mental feeling because it depends only upon mind. These two uses of 身 must not be confused:

- in 六受身, 身 means “collection”; - in 身受 as contrasted with 心受, it means the side dependent on material faculties.

Consequently, “bodily feeling” here is broader than feeling a pain in one’s torso. Pleasure born from seeing a beautiful color or hearing a beloved voice belongs to the first-five, bodily side in this technical classification, because it arises through a material faculty. Conversely, distress produced by remembering an insult is mind-contact-born feeling even if it is accompanied by a tight chest. Its classification is determined by the contact giving rise to the feeling, not by where one later notices a bodily echo.

The six feelings belong to the canonical six sets of six:

six internal sense bases → six external sense bases → six consciousnesses → six contacts → six feelings → six cravings

This sequence appears explicitly in the *Majjhima Nikāya*’s *Chachakka Sutta* (“Discourse on the Six Sets of Six,” MN 148). For every sensory door, it states that the meeting of faculty, object, and consciousness is contact; with contact as condition, feeling arises; and with feeling as condition, craving arises. It also specifies that the contact-born feeling may be pleasant, painful, or neutral. [MN 148, *Chachakka Sutta*](https://suttacentral.net/mn148/en/bodhi)

This is the six feelings’ position on the path: they are the hinge between having an experience and becoming bound by it. Feeling is not yet craving. Pleasantness is not yet grasping; pain is not yet hatred; neutrality is not yet ignorance. But when feeling is not understood, pleasant feeling readily conditions pursuit, painful feeling conditions resistance, and neutral feeling passes beneath attention while ignorance continues.

The *Chachakka Sutta* maps these tendencies carefully: welcoming and clinging to pleasant feeling nourishes greed; collapsing into painful feeling nourishes aversion; failing to understand neutral feeling nourishes ignorance. Its conclusion is not merely that the six feelings should be catalogued. Seeing the whole sequence as impermanent and not-self leads from disenchantment to dispassion and liberation. [MN 148](https://suttacentral.net/mn148/en/sujato)

The *Abhidharmakośabhāṣya* also preserves a technical disagreement about timing. The Vaibhāṣikas hold that contact and feeling arise simultaneously and can be mutually related as coexistent causes and results; the analogy is a body and its shadow existing together. Another position places contact first and feeling afterward. The treatise challenges the latter account because it appears to allow a moment of consciousness without feeling, conflicting with its doctrine that the ten universally present mental factors accompany every state of mind. We should not erase this disagreement by pretending the tradition offers only one microscopic chronology. What remains common to both positions is the structural dependence and one-to-one classification: each class of feeling is established in relation to its corresponding contact.

A walk-through in ordinary life

Imagine an evening commute after a difficult day. You are standing on a crowded train, scrolling through your phone while thinking about a message from someone you love. All six classes of feeling may operate in quick succession.

1. Eye-contact-born feeling

A brightly designed notification appears on the screen. The eye faculty, visible colors and shapes, and eye-consciousness condition eye-contact. With that contact as condition, a slight pleasant feeling arises.

The pleasant feeling is not yet the thought “Maybe they finally replied,” nor is it the recognition of the sender’s icon. Recognizing a sign is closer to perception or taking a mark; interpreting it and constructing a story involves further mental activity. Eye-contact-born feeling is the pleasant, painful, or neutral tone bound to the visual encounter.

This distinction is easy to miss because events occur rapidly. We usually report the completed story—“Seeing the message made me happy”—rather than noticing the smaller conditioned events from which that happiness was built.

2. Ear-contact-born feeling

The train brakes shriek. Ear, sound, and ear-consciousness condition ear-contact; an unpleasant feeling arises.

The unpleasantness is not identical with the judgment “Public transport is unbearable.” That sentence is a mental object appearing through the mind-door. The immediate unpleasant tone of hearing the shriek belongs to ear-contact-born feeling; irritation developed around it may include mind-contact-born feeling, perception, intention, and aversion.

3. Nose-contact-born feeling

Someone nearby opens a container of food. Nose, odor, and nose-consciousness condition nose-contact. Perhaps the smell is pleasant because you are hungry; perhaps it is unpleasant because you feel unwell; perhaps it barely registers.

The odor is the object, nose-consciousness knows it at that door, contact is the relevant encounter, and feeling is its affective tone. Saying “the smell itself is pleasant” is convenient ordinary speech, but contemplatively it conceals conditionality. Another passenger may feel the same odor very differently.

4. Tongue-contact-born feeling

You take a sip of coffee. Tongue, flavor, and tongue-consciousness condition tongue-contact; a pleasant taste-feeling arises at first, followed by unpleasant bitterness when the coffee has gone cold.

The desire to take another sip is not the tongue-contact-born feeling itself. That is already movement toward craving and action. This is one of the most useful distinctions in practice: pleasantness and wanting are intimately connected, but they are not identical. If they were identical, there would be no place to understand pleasant feeling without automatically obeying it.

5. Body-contact-born feeling

Your shoulder is pressed against a hard rail, the carriage is warm, and your feet ache. The bodily faculty, tangible qualities, and body-consciousness condition body-contact; painful feelings arise.

This is the member of the six most closely corresponding to what ordinary English calls “physical sensation.” Yet even here, the pressure or heat as tangible object should not be collapsed into feeling. The tangible quality is encountered; its affective tone is felt as pleasant, painful, or neutral.

Then a seat becomes available. Contact with the seat produces bodily ease, and pleasant body-contact-born feeling replaces some of the pain. The quick change shows why “my pain” is already a heavier construction than “painful feeling has arisen under these conditions.”

6. Mind-contact-born feeling

You open the awaited message. The visible marks initially enter through the eye-door, but their recognized meaning becomes an object of mind. A sentence reminds you of yesterday’s argument. Memory, imagined future conversations, interpretations, and inner speech arise as mental objects; mind-consciousness and mind-contact occur; painful mind-contact-born feeling follows.

This is not called mind-contact-born feeling merely because it is “psychological.” Its defining condition is contact at the mind-door. Nor is the memory itself the feeling. The memory is a mental object; the painful tone arising in dependence on that encounter is feeling.

A few seconds later, you recall a tender moment in the relationship. That new mental object conditions pleasant mind-contact-born feeling. Then you stare blankly at the map above the train door, neither pleased nor distressed: neutral feelings occur as well. Neutral does not mean that no feeling exists. It is a feeling that is neither painful nor pleasant, and precisely because it lacks drama, it is commonly overlooked.

Now watch the hinge:

- Pleasant visual or mental feeling: “I need more of this reassurance.” - Painful auditory, bodily, or mental feeling: “This must stop; someone is to blame.” - Neutral feeling: attention drifts, and the phone is refreshed almost automatically.

The six feelings have now begun to condition six corresponding kinds of craving. An algorithm can exploit regularities in this movement—bright image, pleasant response, renewed seeking—but the Buddhist analysis is not reducible to behavioral science, and neuroscience has not “proved” dependent origination. Scientific models investigate measurable neural and behavioral processes; Buddhist teaching organizes experience around suffering, ethical causation, insight, and release. The comparison is useful only to show how quickly conditioned pleasantness can be recruited into repetition.

A practical contemplative response is not to suppress what is felt. It is to know accurately:

“This is pleasant feeling born of eye-contact.” “This is painful feeling born of body-contact.” “This is neutral feeling born of mind-contact.”

Such knowing inserts no artificial gap into reality; it reveals a distinction that craving normally hides. One sees that the feeling has conditions, changes when those conditions change, and need not be treated as a command or an identity.

Why contemporary people need it

Contemporary life is extraordinarily skilled at arranging contacts while obscuring their consequences. Screens regulate visual contact; headphones regulate auditory contact; food platforms intensify taste anticipation; consumer design promises bodily comfort; social media continuously supplies the mind-door with memories, comparisons, fantasies, and threats.

The problem is not that sensory life exists. Buddhist training does not require pretending that beauty is ugly, pain is pleasant, or human attachment is unreal. The problem is that the sequence is ordinarily compressed:

“I saw it” becomes “I want it.” “It hurt” becomes “I hate them.” “Nothing is happening” becomes “I need stimulation.”

The six feelings slow this compression down conceptually and contemplatively. They show that craving is conditioned through feeling but is not already contained in feeling as an unavoidable destiny.

This makes the teaching valuable in several domains.

In algorithmic life, it helps distinguish the pleasant flash of encountering content from the urge to continue scrolling. The pleasure need not be denied; the transition into compulsive repetition can be known.

In intimate relationships, it helps distinguish painful mind-contact-born feeling from the accusation built on top of it. “Pain is present when I remember those words” is more precise than “You always make me miserable.” Precision does not erase responsibility, but it reduces the tendency to turn a conditioned feeling into a total judgment about oneself or another person.

In parenting, one may notice unpleasant ear-contact-born feeling when a child screams, followed almost instantly by mind-contact-born distress—“I cannot cope”—and then an intention to speak harshly. Knowing the sequence does not make the noise pleasant. It can prevent one unpleasant feeling from becoming an inherited pattern of harm.

In overwork, bodily pain, pleasant feelings from praise, and mental fear of failure may alternate rapidly. Without discernment they blend into the identity “I am a successful but exhausted person.” The six-feeling analysis separates conditioned events from the self-story assembled around them.

Most importantly, it places mindfulness inside the architecture of liberation. The aim is not perfect management of one’s moods. In MN 148, eye, form, consciousness, contact, feeling, and craving are all to be seen as “not mine, not I, not my self.” This is not a technique for cold detachment. It loosens appropriation: the mind stops making every pleasantness into “my fulfillment,” every pain into “my injury,” and every passing state into evidence of what I permanently am.

The path therefore runs deeper than emotional regulation:

clear knowledge of contact and feeling → less automatic craving → less clinging and identity-making → dispassion → liberation

The closely related *Mahāsaḷāyatanika Sutta* (MN 149) says that when one does not know the sense bases, consciousness, contact, and the pleasant, painful, or neutral feeling arising from contact as they actually are, one becomes infatuated with them and the aggregates subject to clinging are built up. Knowing them accurately reverses that movement. [MN 149, *Mahāsaḷāyatanika Sutta*](https://suttacentral.net/mn149/en/bodhi)

Thus the six feelings are not merely a taxonomy of sensations. They identify a trainable junction in saṃsāra. At this junction, experience may be appropriated and extended into craving, or understood as conditioned, impermanent, and not-self.

Common misunderstandings and clarifications

“Feeling means emotion.” Not here. An emotion such as resentment may include unpleasant feeling, recognition of a person, memories, judgments, intentions, bodily activation, and repeated mental narration. The relevant *vedanā* is the pleasant, painful, or neutral tone within that complex event.

“The six are six emotional moods.” They are classified by their originating contact, not by emotional content. Any of the six classes may be pleasant, painful, or neutral. A sound may delight or distress; a memory may soothe or wound.

“A beautiful object produces pleasure by itself.” The classical definition does not allow that simplification. Feeling does not arise from the object alone, nor from the faculty alone. It arises in dependence on the corresponding contact, itself related to faculty, object, and consciousness.

“Eye-contact-born feeling is the act of seeing.” No. Eye-consciousness, eye-contact, and the feeling born of eye-contact are distinguished. The Abhidharma materials insist that contact and feeling are distinct factors rather than alternate names for consciousness.

“Mind-contact-born feeling means thinking.” No. A thought, memory, image, or idea is a mental object. Mind-contact is the relevant encounter, and mind-contact-born feeling is the pleasant, painful, or neutral tone conditioned by that encounter. The thought and its felt tone are closely connected but not identical.

“The first five are bodily feelings, so only body-contact matters.” This confuses the technical classification. In the *Abhidharmakośabhāṣya*, all first five are placed on the bodily side because they depend on material faculties. This includes feelings born of seeing, hearing, smelling, and tasting, not merely pressure, heat, or pain known through bodily touch.

“Six feeling-bodies means six feelings located in the physical body.” No. In 六受身, 身 means a body in the sense of an aggregate or collection. It is the collective set of six classes. This usage differs from 身受, bodily feeling, contrasted with 心受, mental feeling.

“Neutral feeling is the absence of feeling.” Neutral feeling is neither-painful-nor-pleasant feeling. Because it does not announce itself dramatically, it is often accompanied by non-recognition and ignorance. Boredom may actually contain changing neutral and unpleasant feelings plus a craving for stimulation; it should not automatically be equated with neutral feeling.

“Feeling causes craving, so craving is inevitable.” The teaching describes conditioned arising, not fatalism. Feeling is a necessary junction to understand precisely because the response can be transformed. Pleasant feeling can be known without possessiveness, pain without hatred, and neutral feeling without dullness. The liberated person is not insensible; feeling no longer matures into appropriation and bondage in the old way.

“Practice means becoming numb.” Numbness would leave the process obscure. Practice asks for greater intimacy and precision: Which door? Which contact? What tone? Is craving now appearing? The objective is not less sensitivity but less delusion about sensitivity.

“All six always occur as a single undifferentiated mass.” Ordinary experience may feel blended, but the teaching distinguishes the six by their respective conditions. A visual cue can be followed by a remembered meaning, so eye-contact-born and mind-contact-born feelings may occur in a rapid sequence. Collapsing them into “I felt bad” hides how the episode was constructed.

“Buddhist traditions give one uncontested account of the exact timing of contact and feeling.” The supplied *Abhidharmakośabhāṣya* material preserves both the Vaibhāṣika view that they arise simultaneously and another view that feeling follows contact. The treatise records arguments around both. What should not be lost in that technical dispute is the stable doctrinal point: the six feelings are distinguished according to the six corresponding contacts.

The deepest lesson is therefore simple but far-reaching. We ordinarily experience pleasure as an invitation, pain as an enemy, and neutrality as permission to sleepwalk. The teaching of the six feelings asks us to see each instead as a conditioned event at a particular sense door. Once feeling is known as feeling—neither confused with its object nor promoted into “me” and “mine”—the link by which the world continually becomes craving can be understood. And what is thoroughly understood no longer has to rule us.

Canonical EntryAI-generated

1. 定义与核心要义

六受,梵语 ṣaḍvedanā,《阿毘达磨俱舍论》通常称为“六受身”,指依眼、耳、鼻、舌、身、意六触而分别生起的六类受,即眼触所生受、耳触所生受、鼻触所生受、舌触所生受、身触所生受与意触所生受。 其核心义可由“从触生受”概括:六受并非无因而起,也不是径由根或境单独产生,而分别以相应的六触为缘;例如,以眼触为缘,生眼触所生受,其余五类依此类推。

“六受身”中的“身”表示聚集、总体,并非专指身体;因此“六受身”是六种受的总集。与此同时,《俱舍论》又在六受内部区分“身受”与“心受”:前五种属于身受,第六意触所生受属于心受。这两个“身”字所处语境及所表意义不同,不宜混同。

2. 主要阐述

《俱舍论》先说明六触,再论六受。所谓触,是根、境、识三者和合所生的别法。依眼根、色境与眼识等三者而有眼触,依耳、鼻、舌、身、意各组相应的根、境、识而有其余五触;六触成立以后,方说由此生起六受,故论颂以“从此生六受”标示二者的承接关系。 六受的名称也完全依其所缘之触建立,不简略称为“眼受”乃至“意受”,而作“眼触所生受”乃至“意触所生受”,由此明确显示每一受与其近缘之触的对应关系。

就六受的分类而言,论颂说“五属身余心”。前五受依眼、耳、鼻、舌、身等色根而起,故称“身受”;意触所生受但依于心,故称“心受”。 此处的二分以所依为判别根据:依色根者归入身受,但依心者归入心受。因而,六受既可按六触分为六类,也可按所依归纳为前五身受、后一心受。

关于触与受在时间上的关系,《俱舍论》并列记载两种说法。毗婆沙师认为触、受俱时而起,二法展转互为俱有因,也互为其果。针对同时存在的法能否成立因果关系的问题,论中以影与身俱有为喻,说明俱时并不必然妨碍因果义成立。

另一说则主张触在前、受在后:先有根与境,继而有识;三者和合名为触,至第三刹那才缘触生受。《俱舍论》随即对此提出诘难:若受必在触后生起,便应容许某一时刻已有识而尚无受,或有识而不成触;如此即与“十大地法”遍于一切心品、恒时俱起的主张相违。 论中保存这两种时序说明及相应论难,但六受作为依六触分别安立的法门,在两说中并未改变。

六受还出现于契经“六六法门”的经证中。该法门依次列举六内处、六外处、六识身、六触身、六受身及六爱身。《俱舍论》援引这一系列,旨在证明根、境、识之外,另有触、受等法,并以各自的“身”表示同类诸法的总聚。 因此,本论关于六受的讨论并非孤立的受法分类,而是置于根、境、识、触、受、爱相续关联的六组法门中加以说明。

3. 不同部类与译本的表述差异

现有材料集中于毗昙部《阿毗达磨俱舍论》(《阿毘達磨俱舍論》),未提供其他部类经典或同经异译本,故不能据此列举译本之间的文字分歧。就本论内部的表述而言,可辨明以下几组用语:

其一,总称作“六受身”,分名作“眼触所生受”乃至“意触所生受”。“所生”二字突出受以相应触为缘而起;“身”在总称中取聚集义。

其二,归纳六受时作“身受”与“心受”,并以“五属身余心”概括。前五种因依色根称身受,意触所生受因但依心称心受。 这与“六受身”之“身”并非同一用法:前者与心受相对,后者表示六受的总集。

其三,论述生起次第时既有“从此生六受”的概括,也有“眼触为缘生眼触所生受”一类契经式表述;前者总说六触与六受的关系,后者逐项显示一触对应一受。

其四,对于触受时序,毗婆沙师作“俱时起”说,另一说作触后受生说。《俱舍论》分别记录其理由与论难,不应将二说改写为没有差别的单一表述。

4. 与相关概念的关系

六受与六触关系最为直接。六触是六受的缘,六受则依六触而分名;若不先辨明眼触乃至意触,便无从建立眼触所生受乃至意触所生受。

六触又与六根、六境、六识相关。触由相应的根、境、识三者和合而生,但《俱舍论》主张触是三和所生的别法,并非三者和合本身;在此基础上,由触而生的受也具有不同于触的法体。

六受与六爱在“六六法门”中前后相承:六内处、六外处、六识身、六触身、六受身、六爱身共同构成六组六法。论中以此证明触、受、爱等不能还原为根、境、识;“离爱受触别有所余法处体故”一语,亦表明触、受、爱在法处所摄中各有其体,受不即是触,也不即是爱。

六受还与心所法及“十大地法”有关。论主反驳触后受生说时,依据一切心品中十大地法恒俱的立场,指出不应成立已有识而全无受的间隔。这一论辩说明,六受不仅是按感官门类排列的名称,也牵涉受作为心所法如何与识、触俱起的问题。

5. 代表性原文引用

“从此生六受。”此颂总摄六触为缘、六受随生的关系。

“眼触为缘生眼触所生受。”此为逐项说明六受生起及命名方式的定型表述,其余五受准此安立。

“五属身余心。”意谓眼触所生受至身触所生受等前五受属于身受,意触所生受属于心受。

“六内处、六外处、六识身、六触身、六受身、六爱身。”此“六六法门”显示六受在根、境、识、触、受、爱诸组六法中的位置。

“离爱受触别有所余法处体故。”此语用于说明受、触、爱等在法处中具有彼此不相混同的独立体性。

By SutraAI-generated

阿毘達磨俱舍論T1558 · 毘曇部

《阿毘達磨俱舍論》論六受,以「從觸生受」為核心框架。論中先廣辨六觸(眼觸乃至意觸)為根、境、識三和合所生之別法,而後明言:「從前六觸生於六受,謂眼觸所生受至意觸所生受。」 六受之術語形式即「眼觸所生受、耳觸所生受、鼻觸所生受、舌觸所生受、身觸所生受、意觸所生受」,每一受皆冠以所依之觸,標明受以觸為直接生因。頌文總括曰:「從此生六受,五屬身餘心。」

就分類而言,本論將六受攝為二類:前五(眼觸所生受至身觸所生受)說為「身受」,以其「依色根故」;意觸所生受說為「心受」,以其「但依心故」。此身受、心受之二分,乃本論論述六受之獨特側面,非僅列舉六數,而更就所依根之性質(色根與心)判其歸屬。

六受在本論中亦置於「六六法門」之整體結構內。論引契經:「云何六六法門?一、六內處;二、六外處;三、六識身;四、六觸身;五、六受身;六、六愛身。」 六受身居六六法門之第五,與六觸身、六愛身前後相屬,顯示受在認識過程中介於觸與愛之間之位置。此處用「六受身」一詞,以「身」表聚義。

關於受與觸之時序關係,本論備列諸師異說。毘婆沙師主張觸受「俱時起」,以觸受展轉互為俱有因故。論中設難:若俱時而生,如何成立能生所生義?毘婆沙師答以「無功能故,於已生法餘法無能」,並許觸受互為因果。論主復引契經為難:經但說「眼觸為緣生眼觸所生受」,曾無經說「眼受為緣生眼受所生觸」,且以先種後芽、先乳後酪、先擊後聲等喻,論因果應有先後。另有師說觸後方有受生,謂「根境為先,次有識起,此三合故即名為觸,第三剎那緣觸生受」。此說復遭難破:若受在觸後第三剎那,則應有識無受、有受非觸之過,且壞「十大地法」一切心品恒俱之義。

此外,論中於六觸之體性有「三和即觸」與「別法為觸」兩家之諍,而對法者(阿毘達磨師)最終取「有別觸」之立場,即觸為根境識三和外合所生之獨立心所法,非即三和本身。此立場直接決定六受之生成機制:受非直接從根境識生,乃從作為別法之六觸而生。

摩訶止觀T1911 · 諸宗部

《摩訶止觀》以止觀實修的四運觀心為骨幹來安立「六受」一義。該文先破三世心不可觀之難:未念雖未起而非畢竟無,念已雖滅而非永滅,若執永滅則墮斷見、無因無果;故引偈「諸佛之所說,雖空亦不斷,相續亦不常,罪福亦不失」,確立三世心雖無定實而仍可觀。

在此前提下,文云「次、歷善事」,約六度而論:「若有諸塵,須捨六受;若無財物,須運六作。捨、運共論,有十二事。」此處「六受」即眼、耳、鼻、舌、身、意六根對境所生之領受,與「六作」(六度之實行)對舉,合為十二事,構成菩薩善事中捨與行的完整框架。

具體觀法以眼受色為首:「初、論眼受色時,未見、欲見、見、見已,四運心皆不可見,亦不得不見。」此「四運」——未見、欲見、見、見已——即前文四相(未念、欲念、念、念已)在根塵交接處的具體化。繼而「反觀覺色之心,不從外來,外來於我無預;不從內出,內出不待因緣。既無內外,亦無中間,不常自有」,由此結歸「覺色者,畢竟空寂;所觀色,與空等;能觀色者,與盲等」。

其後類推至意根:「乃至意緣法,未緣、欲緣、緣、緣已,四心皆不可得。反觀覺法之心,不外來、不內出,無法塵。無法者,悉與空等。」六根遍歷而觀法一致,總名為「覺六受觀」。

就術語而言,《摩訶止觀》以「六受」統稱六根領受,以「四運」(未見、欲見、見、見已等)為觀照節次,以「覺六受觀」為該觀法之專名;又以「覺色」「覺法」指稱根對境時能覺之心,此皆天台止觀特有之用語形式。

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