Dharma · AI Companion

第三禪樂

tṛtīya-dhyāna-sukha

第三禅中离喜所得、意识相应之乐,世间第一之乐。AI-generated

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

A Contemporary ReadingAI-generated

What This Concept Is Saying

When the *Mahāprajñāpāramitā Śāstra* (《大智度論》, *Da zhi du lun*, T1509) speaks of "the bliss of the third dhyāna," it is not pointing at a stronger version of the happiness you already know. It is pointing at a categorically different happiness — one that sits at a strange, almost paradoxical place in the map of liberation: it is the peak of all worldly bliss and simultaneously still a form of suffering because it moves under impermanence. To hold both of these together is already to begin understanding what the third dhyāna is about.

Let us walk through the technical skeleton carefully, because the brilliance of this teaching lies precisely in its anatomy.

1. Three grades of bliss, distributed across the first three dhyānas. The Śāstra says plainly: first dhyāna contains a *lower* grade of bliss; second dhyāna contains a *middle* grade; third dhyāna contains an *upper* grade. We are not talking about three moods of the same stuff — the grades are sorted by something more fundamental: *which faculty (根, indriya) and which consciousness (識, vijñāna) the bliss is associated with*.

2. The root-and-consciousness anatomy. This is the move most readers miss, and it is the load-bearing wall of the whole concept:

- First dhyāna carries *two* kinds of pleasant feeling working in parallel: a **blessing-root (樂根, *sukha-indriya*) tied to the five-sense consciousnesses** (seeing, hearing, smelling, tasting, touching) — call this sensory pleasure — *plus* a **joy-root (喜根, *prīti-indriya*) tied to mind-consciousness** (意識, *mano-vijñāna*) — call this the incipient mental happiness of settled concentration. - Second dhyāna has dropped the five-sense pleasant feeling (the senses have quieted) but retains the mind-consciousness-associated joy. So second-dhyāna bliss is purely mental, but it is still *joy* (喜) — lifted, exhilarating, wave-like. - Third dhyāna has dropped even the *joy*. What remains is something more settled: the blessing-root tied to mind-consciousness (意識相應之樂根). Same faculty name, *blessing* (樂), but now no longer riding on the lift of *joy* (喜). It has settled into a stiller, deeper, more pervasive current.

3. Why consciousness-associated blessing is "superior" (上品). Here is the Śāstra's argument, and it deserves to be quoted precisely: "Within the entire three realms, *only* the third dhyāna has a mind-consciousness-associated blessing-root. The five-sense consciousnesses cannot discriminate the marks of names (*名字之相*); the blessing-root associated with them cannot make blessing fully complete. *Only* the mind-consciousness-associated blessing-root can make blessing fully complete." (《大智度論》, T1509, vol. 17)

Translated into plain language: a pleasure that arrives only at the level of eyes, ears, skin, tongue, and nose — a great meal, a soft bed, a beautiful view, an orgasm — has a built-in ceiling. The senses feel, but they do not *recognize what they are feeling*. They cannot say, "This is the kind of pleasure that completes me." A kitten purring in the sun has sensory pleasure; it does not have this teaching's idea of *fulfillment*. Fulfillment, in the Śāstra's sense, requires a consciousness that can name, know, and recognize. That is mind-consciousness (意識). When mind-consciousness itself becomes the place where blessing arises — and not merely registers bodily sensations — the blessing is, in their vocabulary, *complete* (究竟滿足).

4. The practice ladder: leave joy, then walk in equanimity, mindfulness, and wisdom (捨念智). One does not stumble into this blessing. The Śāstra describes a deliberate movement: first, *contemplate the faults of joy*. The analogy is sharp — "like a poor person who finds treasure and is overjoyed, then loses it and grieves." Joy, by its nature, has a peak and a slope. To stay on the joy-line is to live where loss is built into the architecture of every gain. So the practitioner *abandons* (捨) the joyful mind and does not look back. Then, with the support of *mindfulness* (念) and *knowing-wisdom* (智), they enter the third-dhyāna blessing — which pervades and saturates the whole body (遍身受用, *bian shen shou yong*), and is therefore also called *received-bodily-bliss* (受身樂). "When the mind is one-pointed in this bliss, one has entered the third dhyāna."

Three small words — *equanimity, mindfulness, wisdom* (捨念智) — describe the inner posture of someone who can sit inside supreme bliss without gripping it. Equanimity here is *not* cold indifference; it is the deliberate release of the joyful mind without regret. Mindfulness and wisdom are the ongoing act of *not letting the blessing turn into an affliction*. This is, in fact, the hardest part of the practice — and the Śāstra says it bluntly: "This bliss is the foremost in the world. Few ordinary beings can abandon it; only saints can both obtain it and let it go."

5. The built-in warning. The third dhyāna is the peak, but it is not the summit of liberation. Three warnings are layered into the Śāstra's discussion:

- Attachment-hazard: Because this bliss is so complete and so sweet, it easily captures the mind. The result is paradoxical: although one is in a higher dhyāna, *fewer* auxiliary attainments are available there — the text says third dhyāna even lacks the *complete samādhi of detachment, the totalities, and the all-pervading entries* (背捨、勝處、一切入) that are available in earlier dhyānas. Attachment cuts off the fruits that would otherwise be available. - Impermanence hazard: A verse-formula states it memorably — "The bliss in the third dhyāna, because it is moved by impermanence, is still called suffering" (第三禪中樂,無常動故苦). - Cross-quarter hazard: Because it is still a feeling that arises and passes, the fourth dhyāna is named by what it does next: it *cuts off both suffering and bliss* (斷苦樂). The third dhyāna's bliss is exactly what the fourth dhyāna must, in its own way, surpass.

6. Why scriptures bother to use this bliss as a metaphor. The Śāstra offers two reasons. The first is pedagogical: beings in the desire realm (欲界) are mostly greedy for pleasant feeling (樂受). When they are told that nirvāṇa is a "bliss without anything to grasp," they are not attracted — they want a bliss they can hold. The fourth dhyāna, which has already cut off bliss, also fails to entice them. Only the third dhyāna's bliss is *bliss at its peak* (樂之極), and so when the Lotus-style scriptures want to describe the joy of a devotee meeting a great teacher, they reach for it. The second reason is biographical: a newly resolved practitioner (Sātodā-bhadra, 薩陀波崙) who has not yet entered deep samādhi meets the teacher Dharmodgata (曇無竭); the great joy that arises is said to resemble the third-dhyāna bliss. The metaphor, then, is not arbitrary — it is chosen because it is the highest *recognizable* joy the ordinary heart can point at.

Put together, the concept is a hinge. It is the place where the teaching says: *here is the maximum that the world can give; if you can taste it without clinging to it, you are already on the edge of what lies beyond the world; if you cannot, even this peak becomes a prison.*


A Walk-Through in Daily Life

Let us map this onto something a contemporary reader can actually feel. Take a weekend. Suppose you have been working intensely for weeks. On Friday evening, three things happen in sequence.

Stage One: Five-sense-associated bliss (初禪五識相應之樂根). You take a long hot shower. You eat your favorite meal slowly. You lie in clean sheets. Your skin, your tongue, your body's proprioceptive sense are lit up. This is the first-dhyāna sensory bliss. It is real, it is good, and — crucially — it cannot fully satisfy. The Śāstra's reason: your senses are feeling, but they are not *knowing what they are feeling*. Five minutes later you are scrolling on your phone looking for the next small dose. The kitten in the sun has nothing to teach you here, and neither does the shower. The pleasure is genuine but *incomplete*, because completion requires a mind that can name and recognize what is happening.

Stage Two: Mind-consciousness-associated joy (意識相應之喜根, second-dhyāna joy). Then you get a call. A friend you haven't spoken to in months tells you about a trip you took together years ago. Suddenly you are laughing, you are remembering, your chest is lifted. Or — to make it sharper — you finish writing something that you actually believe in. You lean back from the keyboard. There is a lift, almost a small wave rising through the chest. This is *joy* (喜). It is not located in the senses; it is located in *mind-consciousness*. You can name it, you can recognize it, you can savor it. It is qualitatively higher than the shower.

But notice — and this is the Śāstra's exact point — *joy* has an architecture. It rises, and it can fall. The poor-person-with-treasure metaphor is exactly this: when the call ends, when the file is saved, when the trip is a memory, the joy's slope is built into its shape. To dwell on the joy-line is to live where loss is structurally possible. The teaching of the second dhyāna is: stay in this joy, but notice its built-in wobble.

Stage Three: Mind-consciousness-associated blessing (意識相應之樂根, third-dhyāna blessing). Now imagine — and this is harder to manufacture, so the Śāstra is right to call it a rare attainment — a Sunday morning where nothing particular is happening. You are sitting with tea. The light is coming in. You are not waiting for anything. You are not chasing anything. You are not even particularly happy in the *joy*-sense. There is a settled, pervasive, almost body-wide *okay-ness* that has nothing to do with excitement. Your chest is not lifted; it is *unlocked*. Your shoulders are not relaxed from relief; they have simply forgotten to be tense. You are not thinking the thought "I am happy," because the thought would break the spell. This is closer to what the Śāstra means by *received-bodily-bliss* (受身樂) — blessing that pervades the body because the *mind* is the source of it, not the senses.

The critical move: this is not a more intense version of the shower. It is a different kind of event. The shower required a stimulus from outside; this blessing arises from how mind-consciousness itself is configured. That is precisely why the Śāstra says it is *complete* (究竟滿足) — completion, here, is not a quantitative endpoint but a qualitative one.

Where most people get the mapping wrong: - They map the shower to the third dhyāna, because it feels more "intense." Wrong. Intensity is the wrong axis. Completion is the right axis. - They map the joy-on-the-call to the third dhyāna because joy feels more "spiritual." Wrong. Joy (喜) is *what gets left behind* on the way to third-dhyāna blessing (樂). - They map "I feel nothing" to the third dhyāna because the Śāstra says *blessing* replaces *joy*. Wrong. The Śāstra is not asking you to feel nothing; it is asking you to feel something *deeper and more pervasive than joy*, while *still being a feeling*. The fourth dhyāna, which is the next step up, is what cuts off feeling. The third dhyāna is the peak of feeling.

Now the practice of 捨念智 (equanimity, mindfulness, wisdom) comes in. Suppose on that Sunday morning, you suddenly remember a small anxiety. Or you get a notification. Or you notice that the very peace you are in feels good and you begin to *want to keep it*. That wanting-to-keep is the moment of danger the Śāstra is naming. The poor person has found the treasure; if they grip it, the joy-shape returns, and loss is back on the menu. The instruction is: *equanimity* — release the wish to keep; *mindfulness* — keep knowing what is happening without being swept; *wisdom* — recognize that even this blessing, precisely because it arises, will pass. Not because you have to be grim about it, but because the grip is what makes the eventual passing into a wound. The Śāstra's verdict on most people is sobering: they *cannot let this one go* — only saints can both obtain it and release it.

The hardest mapping to get right: The third-dhyāna bliss is not the goal. The teaching is *not* "achieve the third dhyāna and you have arrived." It is "even when the world gives you the highest thing it can give, see that it still moves." The brilliance of the concept is that it teaches non-clinging *by pointing at the most clinging-worthy thing in the world*. The lesson is delivered by the very sweetness of the object.


Why People Today Need This

A modern reader might reasonably ask: *I am not a samādhi practitioner. Why should I care about an analysis of meditation states?* The answer is that the categories the Śāstra introduces are doing conceptual work that ordinary life constantly triggers — they just do so without being named.

1. We are drowning in five-sense-associated bliss, and it is not satisfying us. A contemporary life is an endless shower. Notifications, music, food delivery, streaming, ambient comfort, optimized mattresses, vibrators, microdoses of caffeine and sugar, infinite scroll. Every one of these is a stimulus to the five senses. Every one of them is, in the Śāstra's precise technical sense, *five-sense-associated blessing-root* — it cannot be fully fulfilling because the senses cannot recognize what is happening. The result is the recognizable modern pathology: the more one optimizes sensory pleasure, the more one feels an underlying *lack*. The Śāstra, written sixteen centuries before dopamine was named, has already diagnosed why. Naming this clearly does not solve it, but it stops us from blaming ourselves for failing to be satisfied by things that were never designed to satisfy.

2. We confuse joy (喜) with happiness (樂), and the confusion costs us. Modern positive psychology, pop mindfulness, and self-help literature often celebrate *joy* — peak experiences, flow states, "happiness hits different" dopamine aesthetics. The Śāstra would gently point out: joy (喜) is a wonderful thing, but it is structurally wave-shaped. It rises, and it can fall. The poor-person-with-treasure metaphor is the precise phenomenology of the engagement ring that is thrilling for a month and then becomes a piece of metal; of the promotion that makes a year and then becomes a baseline; of the spiritual experience that becomes a memory one is sad about. The category of *blessing* (樂) — settled, pervasive, not peak-shaped — names a different thing, and modern languages are notoriously bad at distinguishing them. English collapses both into "happiness," losing the distinction entirely. This concept is, among other things, a piece of *emotional taxonomy* that our language does not natively have.

3. We are bad at the practice of 捨念智, and the cost is high. The instruction — when great good fortune arrives, *equanimity-mindfulness-wisdom*; do not grip — is almost the inverse of what contemporary achievement culture teaches. We are taught to *savor*, to *lock in*, to *manifest*. The Śāstra is teaching a more difficult and more interesting skill: to be fully inside supreme bliss without turning it into a possession. The reason this matters practically is that grief is almost always grief over a prior blessing one gripped. The teaching is not "don't have good things." It is "have good things in a way that does not pre-install their loss."

4. It inoculates against two opposite errors. - The error of *spiritual bypassing*: imagining that because third-dhyāna bliss is still impermanent, ordinary pleasure must be bad. The Śāstra does not say this. It says the third-dhyāna bliss is *real and supreme* — and still moving. - The error of *worldly maximalism*: imagining that the goal is to maximize worldly pleasure. The Śāstra says, in effect: even if you get all of it, even if you get the *peak of it*, you will still be sitting inside impermanence, and the grip will still install the wound.

5. It teaches a non-dismissive way to be non-attached. The contemporary reader often hears "non-attachment" and pictures a kind of cool indifference. The third-dhyāna teaching refuses that picture. The third-dhyāna practitioner is *inside* the bliss, the body is *pervaded by it* (遍身受用), the mind is one-pointed in it (一心在樂). This is not coldness. It is the warmest possible temperature that does not require the next moment to be the same. There is a permission in this for joy that does not demand permanence, and a training in how to inhabit it.


Common Misreadings and Clarifications

Misreading 1: "Third-dhyāna bliss is just stronger pleasure." Clarification: It is not stronger; it is *qualitatively different*. The shift from first to third dhyāna is not from low-volume pleasure to high-volume pleasure. It is from sensory pleasure (which the senses feel but cannot recognize) to mind-consciousness pleasure (which mind *knows* it is feeling, and therefore can find complete). The right mental picture is not a louder shower; it is a different organ altogether being the source of the blessing.

Misreading 2: "Joy (喜) and blessing (樂) are the same thing." Clarification: They are two different *indriyas* (faculties). Joy (喜根, prīti-indriya) is the lifted, wave-like pleasant feeling that arises in mind-consciousness when concentration is settling. Blessing (樂根, sukha-indriya) is the more settled, pervasive, body-permeating pleasant feeling. The second dhyāna has joy; the third dhyāna has blessing. The Śāstra is precise that the practitioner *leaves* joy in order to *receive* blessing — they are sequential, not synonyms.

Misreading 3: "Reaching third-dhyāna bliss is the spiritual goal." Clarification: This is exactly the trap the Śāstra is warning about. Third-dhyāna bliss is the *peak of the worldly*. It is the maximum the conditioned world can offer. The very next step — fourth dhyāna — is named for *cutting off both suffering and bliss* (斷苦樂). The teaching is that the peak of the worldly is *still* a place where impermanence moves, and *still* a place where one can grip and lose. The goal is not to climb to the peak and stay there; the goal is to learn to *inhabit* the peak without the grip that will turn its passing into suffering.

Misreading 4: "If third-dhyāna bliss is still suffering, then ordinary pleasure is suffering twice over." Clarification: The Śāstra does not say third-dhyāna bliss is *bad*. It says it is *moved by impermanence*, and therefore is *called* suffering in the technical vocabulary of the fourth dhyāna. This is a diagnostic vocabulary, not a moral one. A wave is still a wave even when you are no longer afraid of it. The point is not to refuse the wave but to stop demanding that it be a mountain. Ordinary sensory pleasure, in turn, is real pleasure — just not *complete* pleasure, in the Śāstra's sense of completeness.

Misreading 5: "Equanimity (捨) means indifference." Clarification: The Śāstra's specific definition is *abandoning the joyful mind without regret* (捨喜心而不復悔). This is not coldness; it is *non-grip*. It is the deliberate release of the wish to clutch at something excellent because clutching installs the future loss. Equanimity in this sense is the capacity to enjoy supreme good without turning it into a possession. It is closer to *spacious warmth* than to *stoic distance*.

Misreading 6: "Mindfulness (念) and wisdom (智) are redundant." Clarification: They are doing two different things. Mindfulness (念) is the *remembering* — keeping the teaching in view, not forgetting what one has undertaken. Wisdom (智) is the *knowing* — the discriminating intelligence that sees the impermanence in the bliss and does not let the bliss turn into an affliction. Together with equanimity, they form a triad that protects the practitioner from the very real danger that supreme pleasure becomes a snare.

Misreading 7: "Since I am not in meditation, this concept doesn't apply to me." Clarification: The categories — five-sense pleasure vs. mind-consciousness pleasure, joy vs. blessing, gripping vs. non-gripping, the diagnosis that even supreme worldly good is moved by impermanence — are doing conceptual work in *every* domain of contemporary life: in relationships (the thrill of new love vs. the settled blessing of long love), in work (the lift of a hit project vs. the quieter satisfaction of a sustainable practice), in parenting (the joy of milestones vs. the blessing of ordinary evenings), in self-cultivation (the dopamine of novelty vs. the deeper, more boring nourishment of consistent practice). You do not need to sit in meditation for the teaching to be relevant. You need only be inside the human condition, which is constantly delivering you exactly these objects to relate to.

Misreading 8: "The point of the third dhyāna is to feel bliss forever." Clarification: The point is *what you do while you are in supreme bliss*. Do you grip? Do you cling? Do you install the next moment's loss into this moment's enjoyment? Or can you — as a saint apparently can — *obtain* the peak and *let it go*, without losing the appreciation of it? The third dhyāna is a training ground for a specific kind of inner freedom that has nothing to do with avoiding pleasure and everything to do with how one holds the very best thing the world can offer.


A final word on how this concept sits in the larger map of liberation. The Buddhist analysis of meditative attainment is, among other things, a *map of the maximums of the conditioned world* — what is the maximum sensory pleasure? What is the maximum mental joy? What is the maximum mental blessing? And then, crucially: what happens when you have reached the maximum and *seen it move*? The third dhyāna is the place where that diagnosis becomes inescapable. It is the place where the heart can no longer pretend that getting what it wants will be the answer — because it has gotten the best the world can give, and the world is still on a clock. From there, the fourth dhyāna's "cutting off of suffering and bliss" begins to make a different kind of sense — not as deprivation, but as the next step in a careful, sequential seeing of what is and is not the case about conditioned experience.

For the contemporary reader who is not sitting in samādhi but is, perhaps, sitting in front of a beautiful morning, or a long love, or a good work — the third-dhyāna teaching is not asking you to stop. It is asking you to notice, very gently, that even the best of these is moving. And to learn, also very gently, the practice of inhabiting that movement without gripping. That is the *received-bodily-bliss* of someone who has begun, in however small a way, the work the Śāstra is pointing at.

Canonical EntryAI-generated

1. 定义与核心要义

「第三禅乐」(tṛtīya-dhyāna-sukha),指行者入第三禅时,离于第二禅之「喜」而得的意识相应之「乐根」。《大智度论》明言,整个三界之中,唯有第三禅方有意识相应之乐根;五识因不能分别名字之相,其所相应之乐根不能令乐究竟满足,唯意识相应之乐根方能使乐究竟满足,故第三禅之乐称为上品之乐。此乐遍身受用,故名「受身乐」,为世间第一之乐。

2. 主要阐述

乐之三品分别:初禅为下品之乐,二禅为中品之乐,三禅为上品之乐()。

喜与乐之根识区别:初禅具二种乐——五识相应之「乐根」与意识相应之「喜根」;二禅唯有意识相应之喜根;三禅则为意识相应之「乐根」()。此即第三禅乐之所以为「上」之根本因由。

离喜得乐之修行阶梯:行者观喜之过患,如贫人得宝欢喜、复失则忧,是故当舍;离喜已,行「舍、念、智」而受身乐——此乐遍身受用,故名「受身乐」,一心在乐即入第三禅()。论中释「舍」为舍喜心而不复悔,「念、智」为得三禅乐已不令于乐生患。此乐为世间第一,凡夫少能舍者,唯圣人能得能舍()。

第三禅之过患:因第三禅之乐易令心着,三禅中诸功德反少,乃至无「背舍、胜处、一切入」()。又此乐以无常动故犹名为苦,故第四禅中说「断苦乐」(、)。偈颂亦明言「第三禅中乐,无常动故苦」()。

何以经中偏取第三禅乐为喻:《大智度论》设两释——一者,欲界众生于三受中多贪乐受,闻涅槃乐无所有则心不喜,以上四禅断苦乐故心亦不喜,唯有第三禅之乐为「乐之极」,最能令众生悦乐,故取以为喻()。二者,萨陀波仑新发意未入深妙定,见昙无竭发大欢喜似如三禅乐,故以之为喻()。

3. 不同部类与译本的表述差异

本条目所据主要为《大智度论》(《大智度論》,释经论部)。论中以「喜根」、「乐根」配合「五识相应」、「意识相应」之区辨来标示三禅之差异,此为《大智度论》诠释第三禅乐之特殊术语。又论中偈颂体(如所引「第三禅中乐,无常动故苦」)与长行说解并用:长行详析根识相应之理,偈颂则以简要之语标示第三禅乐之过患。长行中或称「受身乐」(),或称「意识相应之乐根」(),二者所指同一,而从不同角度立名——前者就乐之遍身受用而言,后者就乐之所依根识而言。

4. 与相关概念的关系

与四禅之关系:第三禅乐为四禅中「乐」之极致,上不及涅槃之乐(涅槃非苦非乐),下胜于初禅之五识相应乐与二禅之意识相应喜。然第四禅已断苦乐,故第三禅之乐仍非究竟。

与喜根、乐根之关系:第二禅之「喜」为意识相应之喜根,第三禅之「乐」为意识相应之乐根,两者分属不同禅定层次。行者必须先离「喜」方能得「乐」,故名「离喜得乐」。

与五识相应乐根之关系:初禅五识相应之乐根不能令乐究竟满足,第三禅意识相应之乐根方能究竟满足,此为第三禅乐之所以为上品之根本因由()。

与「舍、念、智」之关系:「舍、念、智」为入第三禅之修行行相,三者并用以离喜得乐而不着——舍喜心、念于三禅之智、不令于乐生患()。

5. 代表性原文引用

- 「初禅为下品之乐,二禅为中品之乐,三禅为上品之乐。」() - 「整个三界之中,唯有第三禅方有意识相应之乐根;五识因不能分别名字之相,其所相应之乐根不能令乐究竟满足,唯意识相应之乐根方能令乐究竟满足。」() - 「行者观喜之过,如贫人得宝欢喜、复失则忧,是故当舍;离喜已,行舍、念、智而受身乐——此乐遍身受用,故名受身乐,一心在乐即入第三禅。」() - 「此乐为世间第一,凡夫少能舍者,唯圣人能得能舍。」() - 「第三禅中乐,无常动故苦。」() - 「欲界众生于三受中多贪乐受……唯有第三禅之乐为乐之极,最能令众生悦乐,故取以为喻。」()

By SutraAI-generated

大智度論T1509 · 釋經論部

《大智度論》論「第三禪樂——第三禪中離喜所得之樂」,層層剖析其多重面向。

首先,就「樂」之品類,論中明分三等:初禪為下品之樂,二禪為中品之樂,三禪為上品之樂()。又就「喜」與「樂」之別,論中特就所依根識加以區辨:初禪具二種——五識相應之「樂根」與意識相應之「喜根」;二禪唯有意識相應之喜根;三禪則為意識相應之「樂根」。論中指出,整個三界之中,唯有第三禪方有意識相應之樂根;五識因不能分別名字之相,其所相應之樂根不能令樂滿足,唯意識相應之樂根方能令樂究竟滿足()。此即第三禪樂之所以為「上」之根本因由。

其次,就「離喜得樂」之過程,論中詳述修行階梯:行者觀喜之過,如貧人得寶歡喜、復失則憂,是故當捨;離喜已,行「捨、念、智」而受身樂——此樂遍身受用,故名「受身樂」,一心在樂即入第三禪()。論中釋「捨」為捨喜心而不復悔,「念、智」為得三禪樂已不令於樂生患;此樂為世間第一,凡夫少能捨者,唯聖人能得能捨()。又因此樂易令心著,三禪中諸功德反少,乃至無「背捨、勝處、一切入」()。

再者,論中亦點出第三禪樂之過患,以顯其仍非究竟:第三禪之樂以無常動故猶名為苦,故第四禪中說「斷苦樂」(、)。偈頌亦明言「第三禪中樂,無常動故苦」()。

最後,就何以經中偏取第三禪樂為喻,論中設兩釋:一者,欲界眾生於三受中多貪樂受,聞涅槃樂無所有則心不喜,以上四禪斷苦樂故心亦不喜,唯有第三禪之樂為「樂之極」,最能令眾生悅樂,故取以為喻()。二者,薩陀波崙新發意未入深妙定,見曇無竭發大歡喜似如三禪樂,故以之為喻()。

通觀全論,《大智度論》以「喜」、「樂」分屬不同根識所相應(喜根、樂根、五識相應、意識相應),又以「捨、念、智」標第三禪之修行行相,並以「受身樂」凸顯其樂遍身之特質,此皆為本論詮釋第三禪樂之特殊術語與獨到面向。

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