Dharma · AI Companion

五大

pañca-mahābhūta

五大(pañca-mahābhūta),即地、水、火、风、空(虚空)五种基本大种。AI-generated

Type ViewDifficulty IntroductoryTruth-level span I · dependent arising ⇢ IV · beyond wordsInitial AI estimate · evolves with use

显教为色法大种,日常经验可解;密教正面重立五大为法身体性(五轮塔婆、五大悉地),属正面重释非遮破,故 究竟第四重〔密教读法,不需共许〕

A Contemporary ReadingAI-generated

What This Concept Is Saying

The Five Great Elements (五大, *pañca-mahābhūta*) are earth, water, fire, wind, and space: 地、水、火、風、虛空. They are not five ancient chemical substances competing with the periodic table. They are five ways of discerning material existence and the conditions under which material things appear, change, function, and make room for one another.

In the passage preserved in the southern recension of the *Mahāparinirvāṇa Sūtra* (《大般涅槃經》南本), their characteristic functions are stated with unusual precision:

- Earth element (地大): solidity or resistance—「堅是地性」. - Water element (水大): moisture and cohesion—「濕是水性」. - Fire element (火大): heat and transformation through temperature—「熱是火性」. - Wind element (風大): movement, pressure, expansion, and displacement—「動是風性」. - Space element (虛空大): non-obstruction, the openness in which things can be situated—「無所罣礙是虛空性」.

These definitions must not be reduced to “soil, liquid water, flame, air, and empty nothingness.” A table displays earth insofar as it resists pressure; oil displays water insofar as it flows and coheres; bodily warmth displays fire; breathing and muscular motion display wind; the cavities of the mouth, lungs, and room display space insofar as they permit occupation and movement. One thing may exhibit several elemental characteristics at once.

This is also why the Five Great Elements must not be narrowed to the human body. They apply both to what we call “my body” and to the material environment: bones and pavement, blood and rain, metabolism and sunlight, breath and traffic currents, bodily cavities and the open room. The classification cuts across the boundary between “me” and “world.” The same kinds of conditioned material qualities appear on both sides of that imagined border.

The fifth element requires special care. Space (虛空) here is not automatically identical with emptiness (空, *śūnyatā*), the lack of independent self-nature taught in the wisdom traditions. The Chinese character 空 can occur in both expressions, but the teachings do different work. Space means non-obstruction or room; emptiness is an insight into the dependent and non-self-established character of phenomena. Space itself, when treated as a phenomenon or conceptual designation, must not be turned into an eternal metaphysical Self.

The *Mahāparinirvāṇa Sūtra* presents the five elements within a debate about self-nature (自性) and conditions (因緣). A robe-clad brahmin argues that solidity, wetness, heat, motion, and non-obstruction are intrinsic natures that do not arise from conditions. From this he tries to infer that everything—including good and bad forms of existence and even liberation—exists by its own nature rather than through causes and conditions.

The Buddha’s reply is not merely, “There are no elements.” It is subtler: elemental analysis may be useful, but the observed characteristics cannot support a doctrine of fixed, unconditioned essences.

First, if the elements were permanent while the things composed through them were impermanent, one could not simply transfer the supposed permanence of the former to the latter. If one did transfer it, worldly things would also have to be permanent. The text therefore rejects the argument that because the elements allegedly possess their own unconditioned natures, all phenomena must be the same.

Second, names and functions arise dependently. Wood does not contain an eternally fixed “arrow-nature”; an arrow appears through wood, a craftsperson, tools, intention, technique, and use. Sugarcane can become juice, syrup, crystallized sugar, sweet liquor, or sour liquor through different processes. What something is called, what it can do, and how it is experienced depend on a network of conditions.

Third, the text tests the alleged fixed characteristics themselves. Waxes and gums classified as earth can appear hard in one condition and fluid in another. Metals can flow like water, move like wind, burn with heat, and become solid like earth. Thus the scripture says, 「性轉故不定」—because the apparent characteristic changes, it is not fixed—and concludes, 「五大性即是因緣」: the characteristics of the five elements are themselves conditional.

That sentence gives the teaching its place on the path of liberation. The elements are not offered so that we can replace the belief “I am a permanent soul” with the belief “I am five permanent substances.” They train perception to move from ownership to conditionality. “My solid body” becomes an occurrence of resistance dependent on nutrition, temperature, pressure, age, posture, and countless other conditions. “My energy” becomes changing warmth and motion. “My space” becomes openings whose usefulness depends on what surrounds them. Elemental contemplation loosens appropriation—“this is mine, this is what I am”—without denying conventional bodily life.

The *Ratnagotravibhāga* or *Treatise on the Ultimate One Vehicle and the Precious Nature* (《究竟一乘寶性論》) employs the Five Great Elements differently. It groups earth, water, fire, and wind as objects used and experienced by beings—「諸眾生受用,如地水火風」—while treating space separately: 「離世離出世,故說虛空大」. Within that treatise’s particular doctrinal and metaphorical setting, space is neither simply an ordinary consumable worldly object nor itself a supramundane attainment.

The treatise then uses the elements as differentiated analogies. Earth, water, fire, and wind correspond to the Tathāgata’s appearance and beneficial presence within the world: 「如來在世間,如地水火風」. Space, specifically through its absence of obstruction, corresponds to the unobstructed quality of the buddhas: 「諸佛無閡障,猶如虛空相」, with another transmitted wording using 「無障礙」. The correspondences should not be flattened into the vague statement that “the Buddha is like nature.” Four elements illustrate presence and availability in the world; space illustrates non-obstruction.

Yet the analogy is immediately restrained. The treatise says that none of the Tathāgata’s qualities is simply shared with ordinary worldly phenomena. The elements illuminate an aspect of buddhahood; they do not define or contain buddhahood. Likewise, its lamp analogy—wick together with light, warmth, and visible appearance—illustrates the inseparability of the Dharma-body and its thirty-two qualities. An analogy guides understanding, but identity must not be inferred from resemblance.

These two texts therefore place the Five Great Elements in complementary roles. The *Mahāparinirvāṇa Sūtra* prevents elemental categories from hardening into metaphysical substances. The *Ratnagotravibhāga* uses those familiar categories as carefully differentiated images of awakened presence and unobstructed qualities. One dismantles fixation on elemental essence; the other converts the elements into a language of compassionate manifestation. Both refuse to let the category become an idol.

A Walk-Through in Everyday Life

Imagine an evening commute after a difficult day. You are standing in a crowded train, reading a message from someone close to you: “We need to talk.” Anxiety arrives almost immediately. Let us walk through the material situation according to the classical elemental definitions.

1. Earth: resistance and support

Your feet press against the train floor. Your hand grips a rail. The phone resists your fingers; your bones, teeth, muscles, seat, rail, and carriage all present degrees of solidity.

Earth here does not mean merely the flesh of your body, still less literal dirt. The glass screen and metal carriage exhibit earth just as the firmness of your jaw does. Nor is the emotional feeling of being “grounded” itself the earth element. That may be a useful modern metaphor, but the classical mapping concerns solidity and resistance.

Notice also its conditional character. Your grip feels firm because of muscular tension, friction, posture, nerve function, and the rail’s material state. If the train jolts, the same apparent stability changes. Solidity is experientially real, but it is not an independent, changeless essence.

2. Water: moisture and cohesion

There is saliva in your mouth, moisture in your eyes, perspiration on your palm, and fluid circulating through the body. Outside, rain runs down the window. At a broader material level, cohesion is what allows dispersed material components to hold together rather than simply scatter.

Water does not mean “whatever feels emotionally fluid,” and it is not restricted to drinking water or blood. Sweat, rain, oil, and other cohesive or moist material manifestations belong to the field indicated by water. Conversely, your sadness is not literally the water element merely because you describe it as a wave.

Its state is conditional too. Perspiration depends on temperature, metabolism, clothing, stress responses, and ventilation. Moisture evaporates; fluid freezes; cohesive patterns break apart. The characteristic appears through conditions.

3. Fire: heat and thermal transformation

Your face grows warm after reading the message. The phone battery produces heat. The train’s climate system warms or cools the carriage. Digestion and metabolism continue whether or not you attend to them.

Fire does not mean only visible flame, and anger is not literally fire. Anger may be accompanied by bodily warmth, but the mental affliction and the thermal element are distinguishable. Calling both “fire” can be poetically helpful only if we do not confuse metaphor with definition.

The warmth is not a possession obeying a permanent command. It changes with circulation, hormonal responses, external temperature, illness, movement, and time. The *Mahāparinirvāṇa Sūtra’s* reasoning applies directly: what appears hot can cool; what is solid can melt. The qualities do not remain sealed within separate eternal substances.

4. Wind: movement, pressure, and displacement

Breath accelerates. The chest expands and contracts. The train moves; air passes through the ventilation system; fingers scroll; muscles tighten; the pulse beats.

Wind is therefore not limited to meteorological wind. It includes bodily and environmental motion. But your intention to answer the message is not itself the wind element. Intention belongs to the mental domain of volitional formation; the finger’s material movement manifests wind. This is a common mapping error: an impulse to act and the physical movement conditioned by that impulse are related, but they are not identical.

Breathing reveals conditionality particularly clearly. It depends on open airways, pressure differences, muscular function, oxygen availability, and many other conditions. There is breathing, but no permanent “breather-substance” can be isolated inside the movement.

5. Space: non-obstruction and room

The train doorway must remain open long enough for passengers to enter. There is room inside the carriage, however little; space between hand and screen; cavities in the mouth, nostrils, lungs, and digestive tract. Without non-obstruction, movement and occupation would not be possible.

Space is not simply “nothing,” and in this exercise it does not mean the emptiness of intrinsic nature. The physical room allowing a passenger to move is space in the elemental classification. The fact that passenger, doorway, train, and anxiety exist dependently is a matter addressed by emptiness. The two insights can cooperate, but they should not be collapsed.

Now observe the whole episode. What initially appeared as one compact fact—“I am anxious”—contains bodily resistance, moisture, temperature, movement, and openings, all changing with conditions. But the five-element analysis does not exhaust the event. The unpleasant feeling, recognition of the message, interpretations about the relationship, intention to respond, and awareness of the entire episode belong to mental analysis, not to the five material elements. The Five Great Elements are not a complete inventory of human experience.

This distinction matters. If you say that anxiety is “just wind,” you have reduced a complex dependently arisen event to one material feature. The accelerated breath and pulse exhibit wind; facial warmth exhibits fire; bodily tension exhibits earth; perspiration exhibits water; airways and bodily cavities exhibit space. Meanwhile memory, fear, interpretation, and intention require other Buddhist categories. Elemental contemplation clarifies experience; it should not erase its complexity.

The practical turn comes when you stop asking, “Which fixed kind of person am I?” and begin asking, “What conditions are operating?” Perhaps lack of sleep intensifies bodily heat and agitation. A crowded carriage restricts space. A threatening interpretation accelerates breathing. A clenched posture increases resistance. When some conditions change—putting down the phone, loosening the jaw, allowing the exhalation to complete, waiting before replying—the configuration changes.

This does not prove that every relational problem can be solved by breathing. It demonstrates something more modest and more profound: the seemingly unitary, self-defining crisis is an assemblage of conditioned processes. Seeing that gap can prevent a transient configuration from issuing orders in the name of a permanent self.

Why Contemporary People Need It

Contemporary life trains us to experience the body simultaneously as a possession, a project, and a verdict. Fitness dashboards turn movement into scores. Cameras turn appearance into a public object. Work culture treats energy as a resource to be optimized. Medicine can tempt us to imagine the body as a machine, while wellness marketing tempts us to imagine it as a pure natural essence that merely needs restoration.

The Five Great Elements offer another way of looking. The body is neither a shameful prison nor an all-controlling identity. It is a changing field of resistance, cohesion, temperature, movement, and spatial openness, inseparable from food, climate, buildings, microorganisms, labor, care, and time. This perspective can foster responsibility without possessiveness: the body should be fed, rested, protected, and treated, but it cannot be made into an unchanging guarantee.

The teaching also challenges the fantasy of a sealed individual. The earth supporting your body was not manufactured by “you.” Bodily water circulates through an ecological world. Warmth depends on food and environment. Breath is exchange. Space is shared and socially arranged: architecture, crowding, disability access, housing, and public infrastructure determine who can move without obstruction. Elemental analysis can therefore deepen ethical attention. Dependence is not merely a private meditation insight; it is the texture of coexistence.

It is equally relevant to algorithmic life. A feed presents a smooth stream of images and reactions, encouraging the impression that “my mood” simply arose from within me. Elemental observation interrupts the spell. Notice the hardened posture, drying eyes, warmed device, repetitive finger movement, shallow breath, and the absence of spacious pauses. This does not mean an algorithm is reducible to five elements; software, commercial incentives, meanings, and mental responses require other analyses. It means that even a supposedly virtual life is embodied and conditioned.

AI and neuroscience can sometimes provide useful comparisons by describing cognition and behavior as distributed, dynamic processes rather than the work of a single inner controller. But comparison is not equivalence. Scientific models investigate measurable mechanisms and remain incomplete and contested in their interpretations of consciousness. Buddhist elemental analysis serves a soteriological purpose: reducing attachment, misidentification, and suffering. Neuroscience has not “proved” the Buddhist path, nor does Buddhism substitute for empirical medicine.

Most importantly, the Five Great Elements occupy a preparatory and liberating position within the path. They train three shifts of vision:

- From object to characteristic: not “a permanent thing,” but solidity, moisture, heat, motion, and non-obstruction appearing here. - From characteristic to conditions: even these qualities vary with causes, relations, and states. - From conditions to non-appropriation: what depends on conditions cannot honestly be held as an independently governed, permanent “I” or “mine.”

This is not yet the totality of liberation, but it weakens one of bondage’s deepest habits: mistaking a conditioned configuration for an owner. The purpose is not to become indifferent to the body. It is to care for the body without asking it to provide an eternal identity.

The *Ratnagotravibhāga* adds a positive dimension. Earth supports, water nourishes, fire warms and transforms, wind moves, and space does not obstruct. Used as analogies rather than literal equations, they suggest that awakened activity is not an escape into sterile absence. Wisdom may appear within the world as support, refreshment, warmth, movement, and openness, while remaining unobstructed by possessiveness. The elements first dismantle fixation; then, in another doctrinal register, they become images of unconfined benefit.

Common Misreadings and Clarifications

“The Five Great Elements are an obsolete Buddhist physics.”

They can certainly appear within premodern cosmological and medical systems, but in the passages considered here their importance is not limited to physical speculation. They classify experienced material characteristics, expose conditional change, and furnish disciplined analogies. Judging them only as rival chemical elements misses their contemplative and philosophical function.

“Earth means the solid body; the other elements are substances inside it.”

Earth means solidity or resistance wherever manifested, in body or environment. Water, fire, wind, and space are likewise not sealed ingredients stored in a bodily container. They name discernible characteristics and functions. A heated metal can display fire through heat, water through flowing, wind through movement, and earth through solidity at different stages. This is precisely why the *Mahāparinirvāṇa Sūtra* says that the characteristics change and are not fixed.

“Each element possesses an eternal intrinsic nature.”

That is the position the brahmin advances in the *Mahāparinirvāṇa Sūtra*, not the conclusion the Buddha endorses. The passage rejects the inference from supposedly unconditioned elemental natures to universal self-nature. Its pointed conclusion is that the characteristics of the elements are themselves conditioned.

“Because the elements lack fixed nature, nothing exists.”

Absence of fixed self-nature does not mean absence of effects. A rail supports you; boiling water burns; lack of breathable space kills. Conditional existence is not nonexistent existence. Indeed, causal efficacy makes sense because conditions can alter outcomes. If heat were absolutely fixed and independent, cooling would be impossible.

“Space is the same as Buddhist emptiness.”

Not in this classification. Space is non-obstruction or room. Emptiness is the absence of independent self-nature. Space may be used as an analogy for non-obstruction, as in the *Ratnagotravibhāga*, but an analogy is not an identity. Nor should “empty space” be imagined as an eternal background substance.

“The Five Great Elements are the same as the Four Great Elements.”

They overlap but are not interchangeable. Many Buddhist analytical systems foreground the Four Great Elements (四大)—earth, water, fire, and wind—as the primary material qualities. The present fivefold scheme explicitly adds space or empty spatiality. The popular Chinese expression “the four great elements are empty” should not be used to erase that structural difference, and 空 in that slogan must not be casually treated as a fifth material ingredient.

“All experience can be reduced to the five elements.”

The five elements analyze material features; they do not by themselves account for feeling, recognition, volition, consciousness, ethical intention, ignorance, or wisdom. In the commuter example, a moving finger displays wind, but the intention to send a cruel message is not merely wind. Confusing material motion with volitional action destroys both psychological precision and moral responsibility.

“If everything is conditioned, personal effort is meaningless.”

The opposite follows. If anger, habit, and suffering arose from an immutable essence, cultivation could not change them. Because configurations depend on conditions, attention, restraint, friendship, ethical conduct, meditation, and wisdom can become effective conditions. Dependent arising makes practice intelligible.

“The elemental analogies mean that the Tathāgata is literally composed of cosmic elements.”

The *Ratnagotravibhāga* uses distinct correspondences: earth, water, fire, and wind illustrate appearing and benefiting within the world; space illustrates non-obstruction. The treatise then explicitly distinguishes the Tathāgata’s qualities from ordinary worldly phenomena. The analogy reveals a relation; it does not authorize a materialistic identity claim.

“Elemental contemplation is a technique for dissociating from the body.”

Properly practiced, it is a correction of ownership, not a refusal of embodiment. Pain still requires care. Illness still requires qualified medical attention. Hunger still calls for food. What relaxes is the additional claim that these changing processes constitute a sovereign and permanent self. One becomes more intimate with bodily conditions, not less responsive to them.

The deepest lesson of the Five Great Elements is therefore not that a person is “made of five things.” It is that what looks compact is articulable, what looks self-contained is relational, and what looks fixed is responsive to conditions. Earth does not promise permanent stability; water does not retain one shape; fire does not remain at one temperature; wind does not stop changing direction; space cannot be possessed by what temporarily occupies it.

Seen this way, the Five Great Elements are a quiet education in release. They teach us to meet material life accurately, care for it responsibly, and stop demanding that it become an unchanging self. When that demand loosens, the world does not disappear. It becomes more vivid, more conditional, and—precisely because it cannot be owned—more open to wisdom and compassion.

Canonical EntryAI-generated

定义与核心要义

五大(pañca-mahābhūta),即地、水、火、风、空(或虚空)五种基本大种,为佛教对物质构成与世间存在的基本分类之一。

主要阐述

《大般涅槃经(南本)》中,纳衣梵志以五大为其自性论的根据,主张五大之性「非因缘有」:坚是地性、湿是水性、热是火性、动是风性、无所罣碍是虚空性。他以此推论:若有一种法性不由因缘而有,则一切法皆应如此;众生之善身、不善身乃至解脱,皆被说为由自性而有,而非因缘所生。

佛陀的答辩分数层进行。首先就常与无常的角度诘难:若五大是常而世间诸物无常,则不能以五大的自性推及一切法;若五大常,依其推法,世间物亦应是常。本经明确否定「五大之性有自性故,不从因缘,令一切法同五大」的论证,指出此说「无有是处」。其次以名称、作用与变化说明诸法由因缘成立:鬘、璎、钏、轮、草木火等名称皆随所在与造作而得;木材本无箭、矟之性,须由工匠及其他因缘制成;甘蔗可因加工而成浆、蜜、石蜜酒、苦酒等不同形态与味用。再次直接检验五大所谓的固定性质:酥蜡、胡胶在对方之法中名为地,却可呈现似水或似地的状态;白镴、铅、锡、铜、铁、金、银被归为火,却在流时呈水性、动时呈风性、热时呈火性、坚时呈地性。由「性转故不定」的观察,显示坚、湿、热、动等性相会随状态转变,不能据此建立五大各有恒定自性的说法。本经亦明言「五大性即是因缘」,并警告即使承认五大因缘,也不应将一切法简单等同于五大的因缘方式。

《究竟一乘宝性论》对五大的论述角度与《大般涅槃经》迥异。原偈云「故示现五大」,直接使用「五大」作为地、水、火、风、空五种大种之总称。论中将五种大种区分为两类:地、水、火、风四种属于众生世间所受用之对境,「诸众生受用,如地水火风」;虚空一项则被独立提出,「离世离出世,故说虚空大」,指出虚空既不同于纯世俗之法,亦不同于出世之法,故别立为「大地」加以宣说。本论明示此五种大种之示现,是为声闻、空行者、智者、自在(即自在天)四类不同根机者所施设之最上微细法:「声闻及空行,智者及自在,上上微细法,故示现五大」。

本论更以五大为喻,用以说明如来在世间之存在方式与法身功德之超越性。以地、水、火、风为喻,显示如来虽示现于世间而与世间法并存:「如来在世间,如地水火风」;同时以虚空之无阂障、无障碍之相,比拟诸佛之无阂障:31075作「诸佛无阂障,犹如虚空相」,31242作「诸佛无障碍,犹如虚空相」。然而更进一层指出如来之功德与世间全然不同:「而诸佛如来,所有诸功德,乃至无一法,共余世间有」,强调如来之一切功德乃至无有一法与其余世间之法相同共有,以此世间性反衬如来法身功德之超越。

在法身功德方面,原偈进一步指出三十二种功德依止于法身而有:「三十二功德,依止法身有」,并以世间灯炷与明、煖、色相之相应为喻,说明如来法身与诸功德之关系:「如世间灯炷,明煖及色相,相应无差别;诸如来法身,一切诸功德,无差别亦尔」。

不同部类与译本的表述差异

在第五大之具体用词上,两部经论有所区别。《大般涅槃经(南本)》明确以「虚空」与「虚空性」为第五大之称,纳衣梵志所说「无所罣碍是虚空性」即以此为据;而《究竟一乘宝性论》则以「空」与「虚空大」并用,原偈「故示现五大」总摄五种大种,又云「离世离出世,故说虚空大」专指虚空。

在以虚空喻如来之偈颂中,同论不同传本用词略有差异:一本作「诸佛无阂障,犹如虚空相」,另一本作「诸佛无障碍,犹如虚空相」,「阂障」与「障碍」互见。

此外,《大般涅槃经》本段未使用「五种基本大种」之类的释名,仅以「五大」为总称;《究竟一乘宝性论》则直接以「五大」为总称并施设偈颂,二者用语风格亦有所不同。

与相关概念的关系

在《大般涅槃经》的脉络中,五大与「自性」、「因缘」、「常与无常」等概念密切相关。纳衣梵志以五大为范例,主张诸法「非因缘有」,即一切法皆有自性;佛陀则以五大为切入点,从常无常、名称作用、状态变化等角度,论证诸法皆由因缘而生,无有自性、无有定性。在《究竟一乘宝性论》中,五大主要与「如来」、「法身」、「三十二功德」等概念相联,作为接引不同根机之施设,兼为显示如来世间现与法身超越之比喻。

代表性原文引用

- 「坚是地性、湿是水性、热是火性、动是风性、无所罣碍是虚空性。」 - 「五大之性有自性故,不从因缘,令一切法同五大」——「无有是处」 - 「性转故不定」 - 「五大性即是因缘」 - 「故示现五大」 - 「诸众生受用,如地水火风」 - 「离世离出世,故说虚空大」 - 「声闻及空行,智者及自在,上上微细法,故示现五大」 - 「如来在世间,如地水火风」 - 「诸佛无阂障,犹如虚空相」/「诸佛无障碍,犹如虚空相」 - 「而诸佛如来,所有诸功德,乃至无一法,共余世间有」 - 「三十二功德,依止法身有」 - 「如世间灯炷,明煖及色相,相应无差别;诸如来法身,一切诸功德,无差别亦尔」

By SutraAI-generated

大般涅槃經(南本)T0375 · 涅槃部

《大般涅槃經(南本)》在此段以「五大」為主要總稱,分別表述為地、水、火、風與虛空;就其性相,納衣梵志提出「堅是地性、濕是水性、熱是火性、動是風性、無所罣礙是虛空性」。因此,本經此處對第五大的具體用詞是「虛空」與「虛空性」,而非單稱「空」;所引原文亦未使用「五種基本大種」之類的釋名。

納衣梵志以五大為自性論的根據,主張五大之性「非因緣有」:若世間有一種法性不由因緣而有,便推論一切法也應如此;眾生所得善身、不善身乃至解脫,皆被說成由自性而有,而非因緣所生。五大在這一立場中,不只是構成性的分類,更被用作證成「一切諸法皆有自性」的範例。

佛陀的答辯首先從常與無常詰難此說:若五大是常,而世間諸物無常,便不能以五大的自性推及一切法;若五大常,依其推法,世間物亦應是常。因此,本經明確否定「五大之性有自性故,不從因緣,令一切法同五大」的論證,指出此說「無有是處」。

本經又以名稱、作用與變化說明諸法由因緣成立。鬘、瓔、釧、輪及「草木火」等名稱皆隨所在與造作而得;木材本無箭、矟之性,須由工匠及其他因緣製成。甘蔗又能因加工而成漿、蜜、石蜜酒、苦酒等不同形態與味用,故不能認定一物具有固定不變的一性。這些例證共同支持「無有自性」與「無有定性」,並由此指出諸法因因緣而有。

對五大本身,本經進一步說「五大性即是因緣」,並警告即使承認五大因緣,也不應把一切法簡單說成全同於五大的因緣方式。此處既反駁五大無因緣的主張,也避免以五大作無差別的普遍類推。

最後,本經直接檢驗五大所謂固定性質。酥蠟、胡膠在對方之法中名為地,卻可呈現似水或似地的狀態,所以不得說地以堅為固定自性;白鑞、鉛、錫、銅、鐵、金、銀被歸為火,卻在流時呈水性、動時呈風性、熱時呈火性、堅時呈地性。由「性轉故不定」的觀察,本經顯示堅、濕、熱、動等性相會隨狀態轉變,不能據此建立五大各有恆定自性的說法。

究竟一乘寶性論T1611 · 瑜伽部

《究竟一乘寶性論》對「五大」——地、水、火、風、空五種基本大種之論述,主要見於以下幾個面向:

一、明確以「五大」一詞統合地、水、火、風、空五種基本大種。原偈云「故示現五大」,直接使用「五大」此一總稱,將五種大種一併施設,呈現出本論以「五大」作為分類總攝的特色。

二、論中將五種大種區分為兩類。地、水、火、風等四種屬於眾生世間所受用之對境,原文謂「諸眾生受用,如地水火風」;而虛空一項則被獨立提出,原文說「離世離出世,故說虛空大」,指出虛空既不同於純世俗之法,亦不同於出世之法,故別立為「大地」加以宣說,與地水火風四種形成對照。

三、本論以「五大」之施設,主要為接引不同根機之有情而施設。所謂「聲聞及空行,智者及自在,上上微細法,故示現五大」,明示此五種大種之示現,是為聲聞、空行者、智者、自在(即自在天)四類不同根機者所施設之最上微細法。

四、本論以「五大」作為比喻,用以說明如來在世間之存在方式與如來法身功德之超越性。如偈言「如來在世間,如地水火風」,以地、水、火、風四種大種為喻,顯示如來雖示現於世間,與世間法並存。同時又以虛空為喻:31075作「諸佛無閡障,猶如虛空相」,31242作「諸佛無障礙,猶如虛空相」,兩處皆以虛空之無閡礙、無障礙之相,比擬諸佛之無閡障。

五、更進一層,本論指出如來之功德與世間全然不同。如偈云「而諸佛如來,所有諸功德,乃至無一法,共餘世間有」,強調如來之一切功德,乃至無有一法是與其餘世間之法相同共有的。這是本論對「五大」概念之獨特運用——以世間所共之地水火風空為喻,卻反襯如來法身功德之超越世間。

六、在法身功德方面,原偈進一步指出三十二種功德依止於法身而有:「三十二功德,依止法身有」,並以世間燈炷與明、煖、色相之相應為喻,說明如來法身與諸功德之關係,原文謂「如世間燈炷,明煖及色相,相應無差別;諸如來法身,一切諸功德,無差別亦爾」。

綜合而言,本論論述「五大」具有以下幾個特點:術語上使用「五大」一詞作為總稱;內容上區分地水火風(世間受用)與虛空(離世離出世)兩類;施設對機明示為聲聞、空行、智者、自在等不同根機;運用上以五大為喻比擬如來之世間現與法身超越;最終並以五大之世間性反襯如來功德之無上性。

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