Dharma · AI Companion

無受

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

A Contemporary ReadingAI-generated

不受 (apratigraha): to use words about things without seizing those things as having a self-nature of their own; to refuse the four-corner fixations (有/無/亦有亦無/非有非無) that conceptual mind wants to nail down nirvana, the Tathagata, or any phenomenon into.

In everyday English we might reach for "non-attachment," but that translation collapses something important. 不受 is more like *speaking through* a category without *clinging* to it — closer to the difference between naming a wave and mistaking the name for the water. The classical source here is 《中論》(Mūlamadhyamakakārikā, T1564), and its treatment of 不受 is unusually precise about *where* this non-clinging is supposed to operate: in debate, in the structure of self and experience, in statements about nirvana, and in the four-corner negations around the Tathagata. Each of these layers has to be kept distinct; flattening them is exactly how the concept gets misunderstood.


一、This concept is saying — 四个层次的「不受」

The 《中论》 passage uses 不受 in four registers that build on each other. I'll take them in order.

1. 不受 is not silence; it is speech without seizure

The most counter-intuitive move of the text is to say that the very person refuting a position — the one saying "this is not so," "burnable is not burning," "there is no self here" — must also be understood as 不受 (not grasping, not seizing) what they say. The Chinese is sharp: 「亦復不受」. Why? Because if every time words leave the mouth they "accept" the object as real, then a person who refutes "there is a self" would, by uttering that very sentence, be affirming a self. The refuter would defeat themselves.

So 不受 names a posture that allows language to function as instrument rather than as confession. The text says: you may use names like 「有」「無」「燃」「可燃」 because they help cut through a given view; using them is not the same as receiving them as ultimate descriptions. The phrase 「隨順世俗名言而稱說諸法」 — "go along with conventional language and describe dharmas" — captures this: ride the raft of words across the river, but do not load it onto your head as a dwelling.

This is the first thing to fix clearly, because almost every popular treatment of 不受 / 非執 gets it wrong by treating non-clinging as if it were a quieter version of refusal-to-speak. The 《中论》 insists the opposite: speech continues, even combatively, but without the speaker endorsing the things spoken as the nature of reality.

2. 受 and 受者: the experience and the experiencer have no separate standing

The second register is structural. 《中论》 defines:

- (what is received / experienced) = the five aggregates, 五陰 (五蘊; five heaps of form, feeling, perception, formation, consciousness). - 受者 (the receiver / experiencer) = the person, 人.

This is important and easy to misread. 受 here is not the third 蘊 (perception/想), nor is it the 受蘊 (feeling) by itself. In this passage, 受 is used as a shorthand for the entire psycho-physical complex that is "received" or "undergone" — the body-mind that an experience happens to. The pair 受/受者 is the classic relational pair: there is no phenomenon that gets experienced without there being a "someone" doing the experiencing, and no "someone" doing the experiencing apart from the phenomena being experienced.

The text then uses the burning analogy: 「可燃」 (the burnable, what can burn) is not 「燃」 (the burning, the active fire); and yet apart from the burnable you cannot point to a burning either. In the same way, 受 is not 受者 — the experienced body-mind is not the inner person — and yet apart from 受 there is no separate 受者 to be found. Both are condition-born (众缘而生), neither stands alone, and the same analytic is meant to apply to a 瓶 (pot), an 衣 (robe), or any outer object: neither the thing-as-it-appears-by-itself, nor its identity, nor its difference, can be established as a self-nature.

This is the metaphysical backbone of 不受. You cannot 領受 (seize, take in, accept as one's own) something that has no self-nature; the very act of trying to clutch it produces the analysis that dismantles the clutch.

3. 「無受是涅槃」/「不受名涅槃」 — nirvana is not a "thing" you grasp

The third register moves from ordinary objects to the ultimate. 《中论》 quotes two scriptural phrasings: "no-receiving is nirvana" (無受是涅槃) and "non-seizing is called nirvana" (不受名涅槃). These look like definitions, but they are not. The text walks through both horns of a dilemma:

- If nirvana were a 有法 (an existing dharma, a thing), then you could not say "no-receiving is nirvana," because no existing thing can be entirely un-received — by definition an existing thing is what gets experienced. - If nirvana were a 沒法 (a non-existent), you could not say "non-seizing is called nirvana" either, because you would just be smuggling "absence" back in as the name.

So 「不受」 here is not a synonym for non-existence. It is a *negative gesture* that blocks both the "nirvana is some existing thing" reading and the "nirvana is mere nothing" reading. The terminological form — 無受, 不受 — does not posit a graspable "無"; it functions to *prevent* the four-corner fixation of nirvana as either 有, 無, both, or neither.

This is why the 《中论》 poses the question: 「若無是涅槃,云何名不受?」 — "If non-existence were nirvana, why call it non-seizing?" The answer implicit in the passage: 不受 is doing something more refined than denial. It is the specific operation of *not seizing* that leaves nirvana neither an object of affirmation nor an object of negation.

4. The four-corner negation around the Tathagata, and the warning about a "self who practices 不受"

The fourth register applies 不受 to the most contested metaphysical topic: what happens to the Tathagata after death? For each of the four standard formulations:

- 如來滅後有 (there is a Tathagata after death) — 亦不受 - 如來滅後無 (there is no Tathagata after death) — 亦不受 - 如來滅後亦有亦無 (both) — 亦不受 - 如來滅後非有非無 (neither) — 亦不受

In every case, the response is the same: do not seize this as the nature of the matter. From there the analysis extends to who attains nirvana, in what location, at what time, by what dharma — and finds that none of these can be pinned down as a self-nature.

Finally, the most counter-intuitive move of all: 《中论》 warns that the very person who thinks, "I do not seize dharmas, and so I shall attain nirvana," is *still bound by* 受 (「還為受所縛」). Why? Because a "self who practices 不受" is itself a formed object — a thing the practitioner seizes. If 不受 becomes a method owned by an "I" on the way to acquiring a result called nirvana, then 不受 has been reabsorbed into the very grasping it was meant to undo. This is the deepest layer: 不受 cannot be made into a possession or a credential.


二、Walking through 不受 in contemporary life

A reader may now reasonably ask: this all sounds like a sophisticated debate-game. What does 不受 actually do in a normal Tuesday? Let us walk it.

Scene 1 — The morning text. You wake up, look at your phone, see a message from a friend that stings. Mind immediately composes a sentence: "She shouldn't have said that." You say it, internally or to your partner over breakfast.

The four registers of 不受, in order:

- Speech-without-seizure. You spoke. "She shouldn't have said that" is a perfectly functional sentence. 不受 does not ask you to refuse to narrate. It asks whether, by using the sentence, you have endorsed "She" and "shouldn't" and "that" as the way things ultimately are. You can use the sentence to clear the air; you do not have to load it onto your shoulder as a verdict on her nature. - 受/受者. The sting is real — it is the 受 (the five aggregates doing their thing: sensation, perception, mental fabrication, awareness). The 受者 is the "I" that, in a flash, becomes "the person who was wronged this morning." These two cannot be peeled apart. There is no inner "I" who is wronged *apart from* the felt body-mind event, and no felt event that exists *without* being someone's experience. Trying to defend "the real me" against the comment produces the endless loop; trying to defend "the comment was fine, I am fine" produces the same loop from the other side. - Nirvana-not-a-thing. The peaceful resolution you want is not a special object you must acquire. If you treat "being calm about this" as a nirvana you are going to reach, you have already turned it into an existing dharma (有法) that you cannot help but keep seizing. The text's point is structural: peace cannot be a thing you clutch, and it is not a nothing either. - Four corners and the warning. Mind quickly produces the four corners: "She meant it" (有), "she didn't mean it" (無), "she meant it and didn't" (both), "the question doesn't apply" (neither). 不受 would say: do not seize any of these as her definitive nature. But do not then seize "I am someone who doesn't seize" as your defining identity either. As soon as you tell yourself "I'm past this kind of thing," the warning light comes on.

Scene 2 — The work victory. You ship a project that matters to you. The launch goes well. Colleagues congratulate you. By afternoon, your mind has produced: "I am good at this; this is who I am; I deserve this recognition."

- 不受 lets you receive congratulations. The phrases "thank you" and "that meant a lot" are not forbidden; they are speech used without being seized as ultimate descriptions of self. - 受/受者: the recognition is an event in the five aggregates. The "I who deserves" is the 受者. They arise together, condition-born; you cannot lift the deserved-self out of the felt body-mind event and put it on a shelf. - The four corners: "This proves I have value" (有), "I should not have been praised" (無), "I both deserve and don't" (both), "the question is meaningless" (neither). 不受 says none of these gets fixed as the nature of you. - The warning: "I am someone who doesn't need external validation" — congratulations, you have just built a new owner of 不受. The same architecture that produced "I deserve this" produces "I don't need this." 受 remains the hidden substrate.

Scene 3 — The spiritual retreat. You go on a meditation retreat. Day three brings a stretch of calm that feels unusually open. By the end of the week you are tempted to say, "I have found stillness; this is my attainment."

- The 《中论》 passage is exact about this: 「我不受諸法,便當得到涅槃」 — "I do not seize dharmas, therefore I will get nirvana" — is the formulation that *remains bound by 受*. The "I" who is not seizing is itself a formed object held by the practitioner. 不受 cannot become a credential in a spiritual résumé. - The stillness itself is 受 — a phenomenon received by the aggregates. The "I who has found stillness" is 受者. The pair is the pair; nothing here stands alone. Treating stillness as a self-nature (either "I have it" or "I have lost it") is the very grasping the practice was loosening. - This is not a counsel of despair. 不受 does not say, "Do not notice the calm." It says: speak of it cleanly, do not load it as essence, do not make it a possession.

Scene 4 — The political/ethical disagreement. In a long argument with a family member about, say, how to care for an aging parent, minds harden. Your position and theirs become flags.

- 不受 does not require you to drop your position; positions can be spoken. It asks whether by holding your position you have seized "the way things truly are" — your parent, their character, their needs — into a fixed self-nature. - The four corners all show up here, often very quickly: "I know what is right for them" (有), "I have no idea" (無), "I sort of know" (both), "the question of 'right for them' is the wrong framing" (neither). The classical move is to refuse to make any of these the family's definitive nature. - The family-relation case also tests the warning edge. "I am the one who doesn't grasp at control" can easily become the most rigid identity in the room. The practitioner of 不受 is not the one who has dropped preferences; it is the one who has noticed that the *preference for not having preferences* is itself a preference.

A general mapping note — and this is the place where popular readings most often go wrong — the contemporary mistake is to map 不受 onto "feel nothing / want nothing / claim nothing." But the 《中论》 is not describing coldness. It is describing a kind of speech that functions without hidden endorsement. Sentences are still spoken: "I am hurt," "I am glad," "I disagree," "I don't know." 不受 governs what happens at the *uptake* of those sentences, not whether they are produced.


三、Why contemporary people need 不受

Three pressures of the present moment make this ancient technical term surprisingly practical.

1. Identity has become a work-product. For most people alive now, "who I am" is something produced, displayed, monetized, and re-edited constantly — on professional profiles, in social feeds, in dating-app bios, in the small talk of networking. The contemporary self is not a passive object of contemplation but a *deliverable*. Under that pressure, every concept the self encounters gets recruited into the brand. 不受's warning — that even "I don't seize" can be recruited — is the precise diagnosis for the age of optimization. Theologians and philosophers have noticed the same shape under different names: the "curated self," the "brand called me," the "project of authenticity." 不受 names the move whereby any such project, including the project of *not having a project*, has to be seen as yet another object formed by the five aggregates, owned by no separate self.

2. Polarization asks every statement to be a permanent allegiance. Public discourse now tends to demand that any claim you make on a contested topic signals your permanent nature. If you say "X is true," the next move is "so you are the kind of person who believes X." If you say "I am uncertain," the next move is "so you are the kind of person who is uncertain." Both moves are *seizing* (受). The four-corner negation in the 《中论》 is a classical diagnostic for exactly this dynamic: every contested claim generates the four positions, every position then demands your allegiance, and the cycle is exactly what 不受 is built to interrupt. It does not interrupt by producing neutrality; it interrupts by refusing to make any of the four positions into the self-nature of the matter.

3. Algorithmic feedback loops reward seizing. Whether the algorithm is feeding engagement, dopamine, or anxiety, it rewards the user whose next state clings tightly to the previous one — "you liked this, so here's more of this; you paused here, so dwell on this." Contemporary life is engineered to maximize 受 (uptake, capture, retention). A discipline that names uptake as uptake, without endorsing it as the way things ultimately are, is not a luxury but a basic hygiene. Here we may note — and we should note carefully — that contemporary cognitive science has its own ways of describing the same phenomenon (predictive coding, the persistence of schemas, attentional capture), but it does not thereby *prove* the Buddhist analysis. The two descriptions operate at different levels of explanation; the convergence is suggestive, not a deduction.


四、Common misreadings and clarifications

Misreading 1: 不受 = indifference or emotional coldness. The 《中论》 text never recommends numbness. Speech, including evaluative speech ("I am hurt," "I am glad"), continues. The correction is in what happens at the moment of *taking in* the speech as essence, not in whether speech occurs. Someone who says "I feel nothing about this" has often simply moved the seizing one layer back: now they are seizing "I am someone who feels nothing."

Misreading 2: 不受 = do not speak, do not think, do not judge. This collapses the very distinction the text is at pains to preserve. The 论者 (debater) is shown *using* names, *forming* judgments, even *denying* positions — and is nonetheless 亦復不受. 不受 is a posture toward the use, not an injunction against it.

Misreading 3: 不受 = "I have no self." This is the trap of mistaking the analysis for a metaphysical claim. The text does not install a new doctrine called "no self." It analyzes 受 and 受者 as a pair that cannot be separated; it does not thereby produce a *separate* doctrine called "no self" that the practitioner can then endorse. The famous 《心經》 (Heart Sutra) line — "照見五蘊皆空,度一切苦厄" (illuminate the five aggregates as empty, so as to cross all suffering) — is in the same spirit: "空" (empty) here is a description of how the aggregates function, not a new object one can grasp. 不受 sits alongside 空 as a sister description.

Misreading 4: 不受 = nihilism (everything is meaningless, so why bother). The 《中论》 directly refutes this reading in its treatment of nirvana. Nirvana is not a 有法 (existing thing) — agreed; but it is also not a 沒法 (mere non-existence). 「不受」 is precisely the term chosen to *block* the slide from "not a thing" to "nothing at all." If 不受 were nihilism, the term 「不受名涅槃」 would be redundant; one could just say "nothing is nirvana." The fact that the text insists on the more specific 不受 is the fact that rules out the nihilistic reading.

Misreading 5: 不受 as a method that produces a credential called "I am non-attached." This is the warning text itself. 「還為受所縛」 is addressed precisely to the practitioner who has turned 不受 into a possession. The discipline of 不受 must therefore include a self-checking reflex: noticing whenever "I am past this" or "I don't grasp" has become a new identity-claim, and gently, without drama, releasing that too.

Misreading 6: 不受 as something privately achieved. The 《中论》 context is dialogical. 不受 is shown in the back-and-forth of debate — in the way one *responds* to positions, not in the way one *possesses* a private attainment. In contemporary terms, this matters: 不受 is not a feeling you cultivate alone in meditation; it is a way of *engaging* speech, positions, and other people without secretively endorsing your categories as the world's nature.


Closing reflection

The famous verse at the opening of 《中論》 is its compact signature: "不生亦不滅,不常亦不斷,不一亦不異,不來亦不出" — "no arising, no ceasing; no permanence, no interruption; no identity, no difference; no coming, no going." Every one of those eight negations is a refusal of a particular corner. 不受 is the inner posture that lets all eight of them be spoken at once without the speaker's heart secretly holding any of them as the final truth. It is, in a real sense, the *generative skill* of the whole Madhyamaka vocabulary. To study 不受 is to study how a mind trained in it uses language — uses names, forms judgments, defends positions, refutes others, and still does not turn any of these activities into an ultimate description of what is.

That is a usable skill. Not a transcendence, not a credential, not a feeling — a skill, in the way that speaking a language without constantly being ambushed by your own grammar is a skill. The 《中论》 insists that the skill be honest enough to include its own limits: not even the skill of 不受 is owned by a separate self. Which is, finally, the most ordinary and the most difficult thing the text asks: keep using words, but do not let the words take you over.

Canonical EntryAI-generated

1. 定义与核心要义

「不受」(apratigraha),依《中論》之论说,指于论辩中虽随顺世俗名言而称说诸法(如「有」「無」「燃」「可燃」),实不领受、不执取所言之法有自性可得。此「不受」非仅不用名言,亦非于诸法不起言说,而是名言虽经于口,仍不将所称之法认作实有之自性、决定之存在。同时,「不受」亦体现于对涅槃、如来等不作断常、有无、四句之分别执取。

2. 主要阐述

(1)论辩中之「不受」立场

《中論》指出,为破斥某种主张,可以随顺世俗言说而说「有」「无」乃至「燃」「可燃」,然而称说并不等于领受或承认其为实有。论者虽使用这些名言,仍「亦復不受」。若以为口中一说便是「受」,则说破他法者反将自破。

(2)「受」与「受者」无独立自性

《中論》从「受」与「受者」之关系说明诸法无自性。此中以「受」为五陰身,以「受者」为人;离人无五陰,离五陰亦无人,二者皆由众缘而生,不能各自独立成立。一切余法亦当依此方式观察破除。 本经以「可燃」非「燃」为喻,如同「受」非「受者」;然离「受」亦不得另一个独立之「受者」,故一、异等关系皆不能成立,瓶、衣等外法亦毕竟无生、空。

(3)「不受诸法」仍可能为受所缚

《中論》警策:若作意「我不受诸法,便当得到涅槃」,如此之主体仍「还为受所缚」。这表明若「不受」本身又成为由「我」执持之主张,或成为取得涅槃之法,则仍未脱离「受」之系缚。 凡「有所受法」,即落断、常之分别;所受之法随即被追问为常还是无常。

(4)涅槃之「無受」与「不受」

《中論》以「无受是涅槃」「不受名涅槃」为经说用语,但不把涅槃判作一个有法:若涅槃是有法,便不应说无受是涅槃,因为没有一种有法能完全不受而成立。 亦不把涅槃等同于「无法」;偈中反问:「若无是涅槃,云何名不受?」并说明不能把从未有过「不受」之无径称为无法意义上之涅槃。 此处「无受」「不受」之术语形式,并非另立一个可执取之「无」,而是阻止将涅槃分别规定为有或无。

(5)如来与涅槃之四句分别

《中論》以「不受」用于如来与涅槃之四句分别:如来灭后或现在,对「有如来」「无如来」「亦有亦无如来」「非有非无如来」皆说「亦不受」。正因为不领受此等分别,便不应分别涅槃为有、无等;进一步追问谁得涅槃、在何时何处、以何法说涅槃,其相皆不可得。

3. 不同部类与译本的表述差异

本条目所依据之材料出于《中論》(中觀部·《中論》)一部,于此一部经内可见之术语使用特点如下:

- 本经使用「五陰」一词,乃「五蘊」之异名,于相关文献中亦常以「五蘊」为说。二者指同一概念,唯译名不同。 - 于涅槃之论说中,本经并用「無受」与「不受」两种表述形式。「無受是涅槃」「不受名涅槃」并列出现,其作用相同,皆不另立可执取之「无」。 - 于「受」与「受者」之论说中,本经以「燃」与「可燃」为喻;此「可燃」即「所燃」之异名形式,喻「所受之五陰」,与能受之「人」(受者)相待而立。

由于材料仅涉及《中論》一部经,暂无不同部类间之表述差异可供比较;同经异译本之具体对照亦未在所提供材料中呈现。

4. 与相关概念的关系

「不受」与「受」相对而立。《中論》以「受」释为五陰身,以「受者」释为人,二者相依而立、无独立自性;故「不受」即是于如此相依之法不执取为有自性。

「不受」亦与断、常之见相对。凡「有所受法」,即被追问为常还是无常;「不受」则跳出此断常分别。

「不受」又与涅槃之「有」「無」分别相对。「不受名涅槃」并非于涅槃立一个新主张,而是以「不受」之姿态,阻止将涅槃分别规定为有或无、是有法还是无法。

此外,「不受」还与「我」之执见相关。若以为有一个「我」在行「不受」、以「不受」求涅槃,则「不受」反成「受所缚」。

5. 代表性原文引用

- 「亦復不受」(论者虽称说诸法,仍不领受其为实有): - 「受」「受者」关系,离人无五陰,离五陰无人: - 「可燃」非「燃」,如「受」非「受者」: - 「我不受诸法,便当得到涅槃」,如此之主体仍「还为受所缚」: - 「有所受法」,落断常之分别: - 「无受是涅槃」「不受名涅槃」: - 「若无是涅槃,云何名不受?」: - 如来涅槃四句皆「亦不受」:

By SutraAI-generated

增壹阿含經T0125 · 阿含部

《增壹阿含經》論「無受」之義,係置於辨析佛陀教法與外道異學教法異同的對話脈絡之中。經文記載,眾多比丘入舍衛城乞食之餘,往詣外道異學之村共論義。外道問道人謂:「沙門瞿曇與諸弟子而說此法:『汝等比丘,盡當學此法,悉當了知,以了知已,當共奉行。』我等亦與諸弟子而說此法……沙門瞿曇與我等有何等異?有何增減?」 比丘聞此語,未作是非之辯,從坐起而去,還詣世尊所,具白此因緣。

世尊遂教示比丘答外道之方:當以層層設問辨其究竟歸趣。其問首先為「為一究竟?為眾多究竟乎?」繼之「為是有欲究竟?為無欲究竟?所謂彼究竟者,謂無欲究竟」,又問「有恚究竟?為無恚究竟?……無恚究竟」,再問「有癡究竟?無癡究竟?……無癡究竟」,又問「有愛究竟?為無愛究竟?……無愛究竟」,最後問:「有受究竟?為無受究竟?所謂彼究竟者,無受究竟。」

就「無受」一詞而言,本經所用術語即為「無受」,與「有受」對舉而說,經文斷以「無受究竟」為定論——以「無受」為究竟之質性。本經所論「無受」之義,循文脈觀之,乃與「無欲」「無恚」「無癡」「無愛」並列,共同構成「究竟」之相狀:欲、恚、癡、愛、受五項,皆以「無」為究竟,非以「有」為究竟。

此處論述之獨特側面在於:本經並非孤立地闡釋「無受」之義,而是將「無受」安置於一組平行結構之「有/無」對舉之中,與其他四「無」共構為佛陀教法之整體標幟,藉以區別佛陀教法歸趣與外道教法歸趣之根本差異。換言之,外道教法之究竟為「有受」(有欲、有恚、有癡、有愛),而佛陀教法之究竟為「無受」(無欲、無恚、無癡、無愛)。

本經之論述結構採取「問答—判定」式:先以「有受究竟?為無受究竟?」之雙重設問,繼以「所謂彼究竟者,無受究竟」之確定語句收束,直指「無受」為究竟。文字簡潔而判斷明決,未作進一步之理論展開。經末以「云何彼究竟者,為是智者?」一句未竟而止,似為傳譯或抄錄之闕文,然就「無受」概念之闡述而言,核心要義已具足於前文之斷語中。

大智度論T1509 · 釋經論部

《大智度論》對「無受」一詞的論述要點如下:

一、核心定義與雙重用語

論中以「不受」與「無受」二詞並用,表達「不領納、不承受諸境」之義。如釋提桓因難問:「若一切法皆無所受,云何言是佛所受神力?」();須菩提亦言:「行亦不受,不行亦不受,行不行亦不受,非行非不行亦不受,不受亦不受。」()亦有偈頌云:「有受法故有諸論,若無有受何所論?有受無受諸見等,是人於此悉已除。」()

二、無受相與如之等同

論中明確指出「無受相」與「如」(實相)乃同一所指之兩種表述:「諸法實相,亦名無受,亦名如。」()並進一步分辨其表述側重:「諸法中不可著,故名無受;諸戲論不能破壞,故名為如。」()可知「無受」側重於對諸法之離著,「如」側重於其離戲論、不可破壞之性,二者皆指向諸法實相;又云:「畢竟空即是無受相。」()

三、無受三昧與二乘、菩薩之別

論中區分二乘之「無受」與菩薩之「無受」:「聲聞、辟支佛漏盡時,得諸法不受。菩薩久來知一切法不受,皆如無餘涅槃畢竟空,是故說『不與二乘共』。」()二乘雖得「無受三昧」,然因習氣未斷而不清淨,如摩訶迦葉聞菩薩伎樂不能自安;菩薩以「十八空」觀一切法空故,所證之無受勝於二乘。

四、十八空觀為無受之因

論引先尼梵志之例:「不受色,不受受、想、行、識。何以故?諸法自相空故,不可得受。」()須菩提自說因緣:「取相著故,生諸結使」,故以十八空觀諸法皆空,於一切法無所受。又云:「般若波羅蜜自性不可得故不受。何以故?無所有性是般若波羅蜜。」()

五、無受之具體應用

論中列示菩薩行般若波羅蜜時,「不行色,不行受、想、行識;不行色相,不行受、想、行、識相……不行色、受、想、行、識空,不行色、受、想、行、識無相,不行色、受、想、行、識無作」();成就無所有般若波羅蜜時,「不受色法乃至識,不受一切法若善若不善、若世間若出世間、若有漏若無漏、若有為若無為,如是一切法皆不受」()。

六、術語特點

論中以「五眾」一詞指稱五蘊之聚合,如「於五眾乃至一切種智,如來不可得」();同時亦直接使用「色、受、想、行、識」之列舉形式。此論復立「無受三昧」之名以標示此定境。

阿毘達磨俱舍論T1558 · 毘曇部

《阿毘達磨俱舍論》對「無受」之闡釋,皆以「執受」為對立面而立論,顯示二者互為相反之概念。據本論所載,「無受」意為不領納、不承受諸境,此概念於正文中出現於兩處語境,茲分述如下。

一、無表色之分類

論云:「無表無執受,亦等流情數,散依等流性,有受異大生,定生依長養,無受無異大,表唯等流性,屬身有執受。」此段以「無執受」與「無受」二詞並用,論述無表色(不可見無對之業色)之體性。文中標舉無表色為「無執受」——即不具備心識之領納;同時以「有受」與「無受」對舉,揭示二者之關鍵差別繫於大種:「有受異大生」,謂具執受之色法由差別之四大種(異大)所造;「無受無異大」,謂不具執受者則無別別大種之差別可言。由此可見,執受之成立與大種之異別性相連,無表色既屬無受之類,故其體性中無大種異別之相。

此外,文中亦指出:散(散善)所生之無表依等流性而立;定生(定心所生)之無表依長養而立;表色(顯色、形色)唯屬等流性;「屬身」即屬於根身者方有執受。此明顯示執受須以屬身之根色為所依,外部之色及無表皆不具此相。

二、福業之類別

論云:「制多捨類福,如慈等無受。」此處將「無受」用於福業之分類:制多(塔)捨施所感之福,與慈(慈無量心)等定心所引之福,同判為「無受」之類。蓋此等福業非依有執受之根身而感果,故不具「屬身有執受」之相,而歸於無受。此與前段「屬身有執受」之原則前後呼應。

三、術語特色

本論中「無受」與「無執受」並用,語境有別而義相貫通:「無執受」多用於直接標示色法之體性,謂其不為心識所領納;「無受」則或就大種之異別而立名(如「有受異大生,無受無異大」之對舉),或就福業類別而區判(如「制多捨類福,如慈等無受」)。此顯示「無受」一詞在本論中兼攝「不具心識領納」與「無大種差別」二義。

相關術語如「情數」(有為法之數)、「等流性」(等流之性,謂同類因所生之流類)、「長養」(增長長養)、「異大」(不同之大種)等,皆為毘曇部阿毘達磨體系特有之名相分類,反映本論對色法與業用之嚴密剖析。「執受」一詞為本論通篇所立之標準術語,專指心與根身間之攝持關係,此亦為本論與他部共許之義。

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