Dharma · AI Companion

大空三昧

mahāśūnyatā-samādhi

心不住相亦不依空,照见空与不空毕竟无相而具足一切相之三昧。AI-generated

Type PracticeDifficulty AdvancedTruth-level span III · nominal designation ⇢ IV · beyond wordsInitial AI estimate · evolves with use

立于第三重之三昧施设(3);「毕竟无相而具足一切相」双遮双照,密教/如来藏读为究竟离言(4)。

A Contemporary ReadingAI-generated

What this concept is saying

Great Emptiness Samādhi (大空三昧, *mahāśūnyatā-samādhi*), also called Great Emptiness Concentration (大空定), is not simply a meditative state in which everything disappears. Nor is it a philosophical conviction that “nothing really exists.” In the *Commentary on the Mahāvairocana Sūtra* (《大毘盧遮那成佛經疏》, T1796), it names a realization in which the mind neither abides in appearances nor takes emptiness as a refuge:

The mind does not dwell in appearances and does not depend upon emptiness; it sees that emptiness and non-emptiness are ultimately without fixed characteristics, yet complete with all characteristics.

This definition has two inseparable movements.

First, the mind does not abide in appearances (不住於相). “Appearance” here is not limited to visual form. It includes anything the mind can seize as a determinate object: bodily sensations, identities, doctrines, meditative visions, emotional narratives, distinctions between sacred and ordinary, and even exalted images of buddhas and bodhisattvas. To abide in an appearance is to treat it as possessing an independent, self-established nature and then build attachment, fear, pride, or certainty upon it.

Second, the mind does not depend upon emptiness (不依於空). After seeing that phenomena lack independent nature, one may begin to cling to that very insight. Emptiness then becomes a protected position: “Everything is empty, so nothing matters”; “relationships are merely conditions”; “practice is unnecessary”; or “the highest wisdom is to remain untouched.” The commentary calls this residual attachment “the illness of emptiness not yet emptied” (空病未空). One has used emptiness to cure attachment to things, but has not yet relinquished attachment to the medicine.

Great Emptiness Samādhi therefore does not split reality into two territories—an illusory world of forms below and a pure emptiness above. It sees that both “empty” and “not empty” are conceptual determinations without an independently established essence. Yet this does not erase appearances. The samādhi is said to be “without characteristics and yet complete with all characteristics” (無相而具足一切相).

That last phrase is crucial. “Without characteristics” means that no appearance has an isolated, immutable identity of its own. “Complete with all characteristics” means that precisely because phenomena arise dependently, the entire field of distinctions, causes, consequences, responsibilities, and compassionate responses remains available. A child’s fear is empty of fixed nature, but it still calls for comfort. An insult is dependently arisen, but its consequences are not imaginary. A self is not an independent substance, yet vows can be made, habits transformed, and suffering relieved.

The commentary locates Great Emptiness within a threefold deepening of samādhi:

1. Worldly samādhi (世間三昧): One may see innumerable sacred beings, seals, and visionary forms in meditation. Such an experience can be powerful and beneficial, but because the mind still encounters definite appearances through definite conditions, it remains a conditioned samādhi. Spiritual intensity is not yet liberation.

2. Supramundane samādhi (出世間三昧): Through the ten illustrations of dependent arising (十緣生句), the practitioner cleanses conceptual proliferation and sees the maṇḍala assembly as like a mirror image, the moon reflected in water, or a mirage-city. Appearances occur, but they cannot be grasped as self-existing. This is a genuine realization of the absence of intrinsic nature.

3. Great Emptiness Samādhi: Even the position “all things are empty” is released. The mind neither returns to naïve belief in solid appearances nor settles into a blank or absolute emptiness. It is free to know appearances without being bound by them and to employ them without mistaking them for independent realities.

The progression is not from “things exist,” to “nothing exists,” and finally to a compromise halfway between the two. It is a progressive exposure of the grasping hidden in both positions. First one grasps appearances; then one may grasp their emptiness. Great Emptiness is the release of both forms of fixation.

This explains why the commentary presents it as the ground of the Buddha’s responsive manifestation. The Tathāgata abides in this samādhi without coming, going, travelling, or manufacturing a fixed identity, yet appears in accordance with the capacities and conditions of beings. No fixed self is doing the work, but the work of compassion is not absent. Formlessness does not obstruct responsive activity; it makes unobstructed activity possible.

In the esoteric framework of the commentary, this is also represented symbolically. Blue is called the “color of concentration” (定色) and the “color of great space” (大虛空色), signifying Great Emptiness Samādhi and the inexhaustible empowerment of the Tathāgata’s body, speech, and mind—the three mysteries (三密). In its explanations of seed syllables, the upper dot added in particular letter transformations likewise represents Great Emptiness: all characteristics are originally empty because they are unborn in their own right, and their emptiness is therefore the firm true character of reality. These are not alternative dictionary definitions. They are ritual and visual ways of expressing the same inseparability of emptiness and manifestation.

Life walkthrough

Imagine that you send an important message to your partner. Several hours pass without a reply. Meanwhile, you can see that they have been active online.

The first appearance arises: “They saw the message and chose to ignore me.” Almost immediately, further appearances gather around it: “I am unimportant”; “They always withdraw”; “This relationship is becoming unsafe.” A tightness appears in the chest, memories are recruited as evidence, and the mind begins composing either an accusatory message or a cold silence.

To say that the mind is abiding in appearances does not mean that the message, the online indicator, or the bodily distress is unreal. It means that a conditioned configuration has been converted into a solid verdict. An ambiguous digital trace becomes a complete account of another person’s motives, one’s own worth, and the future of the relationship.

A first movement of insight examines dependent arising. The online indicator may be inaccurate. Your partner may have opened another application, become occupied with work, or felt uncertain how to respond. Your interpretation may be conditioned by exhaustion, an earlier abandonment, or a recent disagreement. The bodily tension, memory, algorithmic notification, expectation, and lack of information have converged to produce the experience “I am being rejected.”

The event is now seen more like a reflection in a mirror or the moon in water: it appears and has effects, but the meaning attributed to it cannot be found as a self-established fact. This corresponds to the movement toward supramundane contemplation.

But the next mistake is subtle. You may tell yourself: “It is all empty. My hurt is just a construction. Relationships are only causes and conditions, so I should be detached.” This sounds Buddhist, but it may be the illness of emptiness. Emptiness has become a way to suppress vulnerability, avoid conversation, or place oneself above ordinary human need.

Great Emptiness asks for neither of these two reactions.

You do not solidify the appearance into “I have certainly been rejected.” You also do not use emptiness to invalidate the pain. You recognize that the pain has no fixed essence: it arose through conditions and can change through conditions. Yet because it has arisen, it can be met intelligently. You may wait until the body settles, check what you actually know, and later say: “When I saw no response but noticed you were online, I felt frightened and began telling myself I did not matter. Can we talk about what happened?”

That response is “complete with all characteristics.” It distinguishes observation from interpretation, your fear from the other person’s intention, and patience from avoidance. Emptiness has not flattened the situation. It has made finer discernment possible.

The same pattern occurs while scrolling on a phone. An image of someone else’s successful career arises. The mind turns a selected photograph into a solid person—“They have arrived”—and turns one difficult evening into a solid self—“I have failed.” Seeing dependent arising reveals the crop, the platform’s incentive structure, the history of comparison, the fatigue of the viewer, and the countless invisible conditions behind both lives.

Yet saying “social media is fake” is not Great Emptiness. That merely replaces attachment to the image with attachment to its negation. The post is neither a complete revelation nor sheer nothingness. It is a conditioned appearance capable of affecting attention and behavior. Great Emptiness permits an appropriate response: appreciate another person’s good fortune, notice envy without building an identity from it, close the application if continued exposure is unwholesome, and return to the concrete conditions of one’s own life.

An AI system offers another useful but limited comparison. Its output may appear as a unified, confident answer, although it depends upon training data, architecture, prompting, probabilistic generation, and human interpretation. Seeing those conditions prevents us from treating the answer as an independently grounded authority. But it would be equally mistaken to conclude that the output is therefore meaningless: it may inform, mislead, comfort, or cause harm depending on how it is produced and used.

The comparison ends there. A computational model does not establish the Buddhist teaching of emptiness, and current science does not prove Great Emptiness Samādhi. The analogy merely helps expose a familiar error: confusing a convincing appearance with a self-grounding reality, or confusing the absence of self-grounding reality with the absence of practical effects.

The most common mapping error in all these examples is to identify “appearance” with the external object and “emptiness” with an internal attitude of not caring. In the classical account, appearance includes the whole grasped configuration—including “me,” “my interpretation,” and “my Buddhist detachment.” And emptiness is not emotional numbness. It is the absence of independent nature in everything involved, including the standpoint from which one claims to understand emptiness.

Why contemporary people need it

Contemporary life is exceptionally skilled at producing appearances that demand immediate allegiance. A notification appears and seems urgent. A metric appears and seems to measure worth. A diagnostic label appears and seems to disclose an entire person. A political category appears and seems to explain everyone within it. An AI-generated sentence appears fluent and therefore seems authoritative.

The first gift of Great Emptiness is freedom from being conscripted by appearances. It creates a space in which we can ask: What conditions produced this? What is being omitted? Which habits make this interpretation feel inevitable? What consequences will follow if I treat it as final?

Its second gift is protection against nihilistic detachment. Once people discover that identities, institutions, and narratives are constructed, it is tempting to conclude that all commitments are arbitrary. But dependent arising means nearly the opposite: because things arise through conditions, conditions matter. Speech educates attention. Repeated actions form dispositions. Institutions distribute suffering and opportunity. A phenomenon need not possess an eternal essence in order to have ethical weight.

Its third gift is a model of compassion without possession. Much ordinary care contains a hidden demand: the person helped must confirm our identity as helper, partner, parent, or good person. If the response is disappointing, care contracts. Great Emptiness points toward action that is less occupied with establishing the actor. One responds because suffering and its conditions are clearly seen, not because compassion must become evidence for a solid self.

This is why the concept belongs to the path of liberation rather than merely to speculative philosophy. Liberation requires more than exchanging a false theory for a correct one. The mechanism of bondage is the mind’s habit of establishing somewhere to stand: in the object, in the self that knows the object, in a spiritual experience, or finally in emptiness itself. Great Emptiness Samādhi exposes the last refuge of that habit.

At the same time, it is not an escape from the world. The commentary says that the practitioner knows the ultimate reality of the world to be not different from the limit of nirvāṇa, while still seeing the original causes and conditions of worldly events without moving away from reality. Saṃsāra is not transformed into nirvāṇa by pretending pain is bliss. Rather, the ultimately fixed boundary by which we imagine two self-existing realms is relinquished. Within that realization, causes of suffering can be seen and addressed with greater precision.

For this reason, the esoteric path can say that a practitioner who penetrates ultimate truth (第一義諦) within conventional truth (世諦) may practice Great Emptiness from the first awakening of aspiration. This does not mean a beginner instantly possesses the realization of a Buddha. The commentary itself distinguishes the “Great Emptiness Concentration” of a bodhisattva at the stage of final succession from that of buddhahood. The shared name does not erase differences in depth and completion. What can be present from the beginning is the governing orientation: never seek ultimate truth by abandoning dependent appearances, and never treat conventional appearances as independently real.

Common misunderstandings and clarifications

“Great Emptiness means an especially large empty space.” “Great” does not refer to physical size or to a vast blank experienced in meditation. It indicates an emptiness that is not restricted to negating ordinary objects but also empties the standpoint that clings to emptiness. The commentary’s “great space” symbolism expresses unobstructedness, not a cosmic container.

“It is a trance in which thoughts and perceptions stop.” A reduction of thought or perception may occur in forms of concentration, but that alone does not define Great Emptiness Samādhi. One may enter an unusually quiet state while retaining deep attachment to a meditator, an attainment, or the state’s peaceful characteristics. The defining issue is wisdom: whether the mind abides in either appearances or emptiness.

“Seeing visions of buddhas proves one has entered it.” The commentary explicitly warns otherwise. Even visions of innumerable sacred beings and esoteric seals remain worldly samādhi when they are encountered as determinate appearances through determinate conditions. Their sacred content does not by itself remove grasping.

“Not abiding in appearances means ignoring distinctions.” Great Emptiness does not confuse kindness with cruelty, accuracy with falsehood, or wholesome with harmful conduct. “Complete with all characteristics” means that distinctions can function without being made into independent essences. Indeed, fixation often blurs the situation; freedom from fixation allows more exact responsiveness.

“Not relying on emptiness means returning to belief in solid things.” The samādhi does not retreat from insight into the lack of intrinsic nature. It releases attachment to that insight as a position. The error is not emptiness but the mind’s appropriation of emptiness—turning a liberating discernment into an identity, doctrine, shelter, or excuse.

“If the world is not different from nirvāṇa, injustice and suffering need not be changed.” This reverses the practical force of the teaching. Because suffering is dependently arisen rather than eternally fixed, transformation is possible. Because actions and conditions have consequences, compassionate intervention matters. Non-duality does not make every condition equally beneficial; it prevents their differences from becoming metaphysically frozen.

“Without a fixed agent, no one can act.” The commentary presents the opposite conclusion. The Tathāgata has no fixed coming or going, yet responds according to beings’ capacities and performs inconceivable beneficial activity. The absence of an independent actor is not the absence of causal activity. It is activity freed, to the degree realized, from the need to defend and advertise a self.

“Great Emptiness is just another name for understanding that phenomena lack intrinsic nature.” That understanding is indispensable but not yet the whole definition. If “lack of intrinsic nature” remains something the mind grasps—an ultimate object standing over against appearances—then the illness of emptiness has not been emptied. Great Emptiness is fulfilled only when neither appearance nor its negation provides a fixed dwelling place.

The heart of the teaching can therefore be stated simply: do not be deceived by forms, but do not flee from them; see their emptiness, but do not build a home in emptiness. When neither side is grasped, the world does not vanish. It becomes workable. Appearances can be received without imprisonment, distinctions can be made without reification, and compassionate action can arise without requiring a solid self at its center. That is why Great Emptiness Samādhi is not the end of responsiveness. Within the liberation path, it is the wisdom by which responsiveness becomes unobstructed.

Canonical EntryAI-generated

一、定义与核心要义

大空三昧(mahāśūnyatā-samādhi),《大毘卢遮那成佛经疏》(大日经疏,《大毘盧遮那成佛經疏(大日經疏)》)以之为主要用语,亦称「大空定」。其最核心之界说为:行者自证心性时,心既不住于相,亦不依于空,照见空与不空毕竟无相而又具足一切相,此境乃名大空三昧。住于此三昧,即住佛无碍慧,一切智智究竟圆满;故大空并非仅止于观察诸法无性,亦非执持空相。

二、主要阐述

1. 三昧进程之深浅:本疏以三昧层次辨明大空之深度。即使定中具见无量圣尊及种种密印,因仍有相、有缘,只名世间三昧;进而以十缘生句净除妄相戏论,观漫荼罗海会如镜像、水月、干城,了知无性,名出世间三昧。然此时「空病未空」,尚不得名大空;直至不住相亦不依空,方成大空三昧。

2. 如来应化之根本安住:如来住此定中,无行、无到,亦无去来,却能随众生心量、随缘应现。由此大空并不妨碍随缘起用;无相、无作之中,仍能成办普门不可思议业。

3. 漫荼罗五色之表义:青色表示大空三昧,称为「定色」。第一重漫荼罗增列青色时,解青色即大空三昧,表如来身、口、意三密无尽加持,故称「大虚空色」。

4. 菩萨行之实践:正行大空三昧能远离缘生法之微细戏论,故称「离诸造作」;行者如实知世间实际毕竟不异涅槃际,却仍能不动实际而悉见世间本起因缘,念念进趣如来地。 又说补处与佛地虽可同名「大空定」,其义仍有差别。

5. 秘密乘人之特例:本疏指出,秘密乘人若能于世谛中通达第一义谛,则从初发心便具行大空三昧。

6. 字门、种子与印明之释:啰字转为览字时,其上点表大空三昧,即第一无相之法,表示诸相本空;诸相因当体不生而同于大空,亦即坚固实相。另释㘕字上点为大空三昧,区分除凡夫、二乘障与住如来甘露之空。此处「上点是大空三昧」为本疏特有之字相表述。

三、不同部类与译本的表述差异

本条所引材料仅出于《大毘卢遮那成佛经疏》(大日经疏,《大毘盧遮那成佛經疏(大日經疏)》),属经疏部。其内部用语略有差异,并无异译本对照,兹汇列如下:

- 主要称名为「大空三昧」,兼称「大空定」;前者多用于心性开显与境界之分别,后者兼用于如来应化及与补处、佛地之对辨。 - 漫荼罗五色之说中,以「青色」「定色」「大虚空色」作为大空三昧之异名别称。 - 字门释中则以「上点」之标帜指称大空三昧,分见于览字与㘕字二处。 - 行位差别上,「空病未空」一语为大空三昧相较于出世间三昧之判别关键词。

四、与相关概念之关系

- 与诸法无性之观:仅观察诸法无性而犹存空相者,非大空;大空超越此,故曰「空病未空」不得名大空。 - 与世间三昧、出世间三昧之层次:世间三昧有相有缘,出世间三昧以十缘生句净除妄相,然二者均不及大空;大空由双离空有而后得。 - 与补处、佛地之关系:补处与佛地虽可同名「大空定」,本疏明言其义有别。 - 与如来三密加持之关系:青色之大空三昧即身、口、意三密无尽加持之相,故称「大虚空色」。 - 与字门之关系:览字上点、㘕字上点均表大空三昧,前者显诸相本空之无相,后者区分凡夫、二乘之障与如来甘露之空。 - 与初发心之关系:于秘密乘人,由世谛通第一义谛,初发心即具行大空三昧,与显教渐次有所不同。

五、代表性原文引用

- 「行者自证心性时,心既不住于相,亦不依于空,照见空与不空毕竟无相而又具足一切相,此境乃名大空三昧。住于此三昧,即住佛无碍慧,一切智智究竟圆满。」() - 「第一重漫荼罗增列青色时,解青色即大空三昧,表如来身、口、意三密无尽加持,故称大虚空色。」() - 「以十缘生句净除妄相戏论,观漫荼罗海会如镜像、水月、干城,了知无性,名出世间三昧;然而此时空病未空,尚不得名大空。」() - 「如来住此定中,无行、无到,亦无去来,却能随众生心量、随缘应现。」() - 「啰字转为览字时,其上点表大空三昧,即第一无相之法,表示诸相本空;诸相因当体不生而同于大空,亦即坚固实相。」()

By SutraAI-generated

大毘盧遮那成佛經疏(大日經疏)T1796 · 經疏部

《大毘盧遮那成佛經疏(大日經疏)》以「大空三昧」為主要用語,亦稱「大空定」。其最核心的界說是:行者自證心性時,心既不住於相,亦不依於空,照見空與不空畢竟無相而又具足一切相,此境乃名大空三昧。住於此三昧,即住佛無礙慧,一切智智究竟圓滿;故大空並非僅止於觀察諸法無性,亦非執持空相。

本疏以三昧的進程辨明其深度:即使定中具見無量聖尊及種種密印,因仍有相、有緣,只名世間三昧;進而以十緣生句淨除妄相戲論,觀漫荼羅海會如鏡像、水月、乾城,了知無性,名出世間三昧。然而此時「空病未空」,尚不得名大空;直至不住相亦不依空,方成大空三昧。

大空三昧又被說為如來應化的根本安住:如來住此定中,無行、無到,亦無去來,卻能隨眾生心量、隨緣應現。由此,大空並不妨礙隨緣起用;無相、無作之中,仍能成辦普門不可思議業。

在漫荼羅五色的表義中,本疏以青色表示大空三昧,稱為「定色」;第一重漫荼羅增列青色時,又解釋青色即大空三昧,表如來身、口、意三密無盡加持,故稱「大虛空色」。這是本疏論述此概念的鮮明術語側面。

就菩薩行而言,正行大空三昧能遠離緣生法的微細戲論,故稱「離諸造作」;行者如實知世間實際畢竟不異涅槃際,卻仍能不動實際而悉見世間本起因緣,念念進趣如來地。本疏並說補處與佛地雖可同名「大空定」,其義仍有差別;又說祕密乘人若能於世諦中通達第一義諦,則從初發心便具行大空三昧。

本疏亦由字門、種子與印明解釋大空:囉字轉為覽字時,其上點表大空三昧,即第一無相之法,表示諸相本空;諸相因當體不生而同於大空,亦即堅固實相。另釋㘕字上點為大空三昧,區分除凡夫、二乘障與住如來甘露之空。此處「上點是大空三昧」是其特有的字相表述。

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