Dharma · AI Companion

中道觀

madhyamā-pratipad-vipaśyanā

远离二边而如实观察诸法AI-generated

Type PracticeDifficulty AdvancedTruth-level span II · emptiness ⇢ IV · beyond wordsInitial AI estimate · evolves with use

借离二边之性空见立足(2);〔判教镜头〕通教读为离二边之空观、天台圆教读为即空即假即中之中道第一义,后者言语道断可至 4,并列不裁决

A Contemporary ReadingAI-generated

Web search isn't available, but the provided materials are rich and I'm confident in the canonical references I'll use. Let me write the interpretation.


中道觀 (Middle Way Contemplation)

What This Concept Is Actually Saying

The Middle Way Contemplation—梵語 madhyamāpratipad-vipaśyanā, in the *Mohe Zhiguan* (摩訶止觀, T1911) also called 中道第一義諦觀 (Contemplation of the Middle Way as the Ultimate Truth), 中觀, 中道正觀, or simply 第三觀 (the Third Contemplation)—is not a philosophy of moderation. It is not "find the balance between two extremes." It is a precise contemplative operation: using the prior contemplations of emptiness (空觀) and the provisional (假觀) as scaffolding, one simultaneously *negates* both extremes (雙遮二邊) and *illuminates* both truths (雙照二諦), thereby breaking through fundamental ignorance (無明, avidyā) and entering real-phase (實相, dharmatā).

To understand why this is needed, you first need to understand the problem it solves.

The three-contemplation architecture. The *Mohe Zhiguan* lays out a progression:

- 從假入空名二諦觀 — "Entering emptiness from the provisional is called the Contemplation of the Two Truths." Here you see that everything you took to be solid—your body, your opinions, the world out there—is empty of inherent existence. This breaks attachment to saṃsāra (生死), the compulsive grasping at phenomena as real.

- 從空入假名平等觀 — "Entering the provisional from emptiness is called the Contemplation of Equality." Here you see that emptiness itself is not a blank void to rest in; phenomena still arise, still function, still matter. This breaks attachment to nirvāṇa (涅槃) as a quiet escape. The Bodhisattva returns to the world of names and forms, not because they are ultimately real, but because beings suffer within them.

- 中道第一義諦觀 — The Third Contemplation. The first two are 方便 (upāya, skillful means), not the destination. Why? Because even the wisdom gained from emptiness-contemplation and provisional-contemplation can solidify into a new obstruction. The text calls this 智障 (wisdom-obstruction): the two wisdoms, when they "combine with ignorance" (與無明相合), themselves block the middle-way wisdom. You can become attached to your own insight. You can make a home in "everything is empty" or a home in "everything is provisionally functional." Both are residences. The Third Contemplation evicts you from both.

Double negation, double illumination. The key formula is 雙遮雙照: "Non-empty, therefore not sinking; non-provisional, therefore not floating" (非空故不沈,非假故不浮). This is not a midpoint on a spectrum. It is the refusal to let any position—including "the middle"—calcify into a view. The corresponding cessation practice is called 息二邊止 (Cessation that Stills Both Extremes), and the text is explicit: 此實相理非止、不止 — "This real-phase principle is neither cessation nor non-cessation." The middle is not a third thing you land on. The moment you think you've "arrived at the middle," you've created a new extreme.

The Eight Negations as analytical engine. The *Mohe Zhiguan* deploys Nāgārjuna's 八不 (Eight Negations) from the *Mūlamadhyamakakārikā* (中論) as the operational grammar of this contemplation: 不生、不滅、不常、不斷、不一、不異、不來、不去 — not arising, not ceasing, not permanent, not annihilated, not identical, not different, not coming, not going. The opening verse of the *Zhonglun* states: 「不生亦不滅,不常亦不斷,不一亦不異,不來亦不出」— and the text notes that deep contemplation of "not arising, not ceasing" alone opens the gate to all the others. This is not mysticism. It is a rigorous procedure: take any pair of opposing concepts you use to nail down reality, and show that neither term can be established independently. The mind's habitual move is to pick one side of a binary; the Eight Negations systematically remove every binary's floor.

What it breaks: ignorance, not just affliction. The first two contemplations handle 取相 (grasping at marks) and 無知 (not knowing the provisional). But there is a deeper layer—無明, fundamental ignorance—which is not a lack of information but the very structure of taking any view as ultimate. The Third Contemplation's target is this. The text says: break one portion of ignorance, open one portion of the Buddha-eye (佛眼), see one portion of the middle. And when middle-way wisdom (中智) opens, 一破一切破 — "one breakthrough is total breakthrough" — hence the name 破法遍 (Pervading Destruction of Obstructions).

Gradual and immediate. The 別教 (distinct teaching) presents this sequentially: first emptiness, then provisional, then middle. The 圓教 (perfect teaching) says 初心即修三觀 — "from the very first thought, one cultivates all three contemplations." You don't need to "finish" emptiness before touching the middle. This matters practically: it means the Middle Way is not a reward for advanced practitioners. It is available as an orientation from the start, even if its full unfolding takes a lifetime.

Compassion without conditions. The text grounds the motivation for this contemplation in 無緣慈悲 (conditionless compassion): compassion that does not seize the mark of "sentient beings" (so it is not sentimental attachment, 愛見), does not seize the mark of "nirvāṇa" (so it is not cold withdrawal), and because it has no mark of either extreme, is called "conditionless." You don't contemplate the Middle Way to become serene. You contemplate it because beings suffer, and the deepest obstruction to helping them is your own ignorance—which includes your ignorance about what "helping" means.

Where it sits in the path. The *Mohe Zhiguan* frames the result as flowing naturally into 薩婆若海 (sarvajñā, the ocean of all-knowledge). The practitioner uses Middle Way Contemplation to 知一切苦、斷法界集、修無上道、證究竟滅 — know all suffering, sever the accumulation of the dharma-realm, cultivate the unsurpassed way, realize ultimate cessation. It is, in Tiantai's schema, the contemplation that completes the Bodhisattva's work: not transcending the world, not drowning in it, but seeing it as it is (實相) and acting from that seeing.


A Walkthrough in Everyday Life

Let's take a Tuesday.

7:42 a.m., commute. You're on the train, phone in hand. A colleague posted a passive-aggressive message in the group chat last night. You feel the tightening in your chest—this is 取相, grasping the mark: "They disrespected me. This is a real injury." Emptiness-contemplation would say: this narrative has no inherent existence; it is assembled from memory, projection, and a body's stress response. Fine. You loosen your grip.

But then the next move: you settle into a comfortable "nothing really matters, it's all empty" detachment. You feel superior. You've made a home in emptiness. This is what the text means when it says the emptiness-wisdom "combines with ignorance" and becomes 智障. Your insight has become a posture. You are now attached to non-attachment.

The Middle Way Contemplation is the moment you notice *that* too. Not by adding a third position ("well, I should care *a little*"), but by seeing that both the anger and the detachment are positions the mind has constructed, and neither can be established as the final word. The colleague's message still stings (非空故不沈—it's not simply void, you don't sink into denial). But it doesn't define your day (非假故不浮—you don't float away into the story either). You arrive at work without having "resolved" anything, but also without being governed.

11:30 a.m., the sprint review. Your manager says the feature you built is "fine but not what we needed." Two extremes activate instantly: "I am incompetent" (annihilation, 斷) and "They don't understand my work" (permanence of self-worth, 常). The Eight Negations apply with surgical precision here. Is your competence *arising* from this meeting? No—it wasn't born in that room. Is it *ceasing*? No—it doesn't die because one person spoke. Is your professional identity *identical* to this one deliverable? Is it *different* from it? Neither holds up under inspection. You don't need to "find the middle" between "I'm great" and "I'm worthless." You need to see that the binary itself has no floor. That seeing *is* the middle.

3:15 p.m., scrolling. The algorithm feeds you content calibrated to keep you engaged. It operates entirely on binaries: like/dislike, agree/outrage, us/them. Every scroll is a micro-act of taking sides. The Middle Way Contemplation, applied here, is not "delete all social media" (that's the emptiness extreme: negate the provisional world) and not "just enjoy it mindfully" (that's the provisional extreme: stay in the game while calling it awareness). It is seeing the mechanism: the algorithm exploits your tendency to reify one side of every pair. And seeing your *own* tendency to make "I am someone who sees through algorithms" into a new identity. The text's 不住調伏、不住不調伏 — "not abiding in taming, not abiding in non-taming" — applies perfectly. You don't white-knuckle discipline. You don't surrender to the feed. You also don't make a project of "being balanced." All three would be residences.

8:00 p.m., your kid's meltdown. Your four-year-old is screaming because the banana broke in half. You feel the rage rising. Emptiness-contemplation: "This is impermanent, it will pass, the anger has no self." True—and if you stop there, you become the parent who dissociates while the child escalates, because you've made nirvāṇa (peace, non-reactivity) into a goal to protect. The provisional-contemplation: "This child is suffering, right now, in this body, over this banana. It matters." True—and if you stop there, you're in the storm, matching their chaos with your own.

The Middle Way: you kneel down. You say, "You're really sad about the banana." You are fully in the provisional world—names, forms, a broken banana, a small person's real grief. And you are not drowning in it, because you see its nature. 無緣慈悲 in action: you don't seize the mark "suffering child who needs fixing" (that's 愛見, love-with-grasping), and you don't seize the mark "this is all empty, let it be" (that's cold withdrawal). You act, fully, without the action being anchored to a fixed self who is "the good parent." The banana is still broken. You are still tired. But the whole scene is not a verdict on your existence.

11:30 p.m., lying awake. The mind replays the day. You notice you're running a commentary: "I handled that well" / "I failed at that." The Middle Way Contemplation, at this hour, is not a technique you deploy. It is closer to what the text calls 息二邊止: the two marks—success and failure, saṃsāra and nirvāṇa—simply grow quiet. Not because you suppressed them. Because you looked at them long enough that neither could sustain itself as a final truth. 此實相理非止、不止 — the real-phase is neither "stilled" nor "unstilled." You don't achieve silence. You stop manufacturing noise. Sleep comes.

Where people map this wrong: The most common error is treating the Middle Way as a *feeling* of balance—a warm centeredness, an equanimous glow. The text gives no comfort to this reading. 雙遮雙照 is an operation, not a mood. It is the mind's refusal to let any dharma—including "equanimity," including "the Middle Way"—become a fixed position. The moment you feel "ah, I'm in the middle," you have, by the text's own logic, created a new extreme. The 圓教 formulation 初心即修三觀 means this operation is not reserved for saints. But it also means it never "completes" in the sense of becoming a stable state you possess.


Why Contemporary People Need This

The algorithmic binary. Contemporary digital life is architecturally dualistic. Every interface reduces experience to binary signals: swipe left/right, upvote/downvote, follow/block. The effect is not merely behavioral; it trains the mind to *inhabit* binaries as though they were the structure of reality. You become "a person who agrees" or "a person who opposes." The Middle Way Contemplation is, among other things, a systematic de-training from this. The Eight Negations are not eight poetic paradoxes; they are eight demonstrations that the binary you're living in has no ontological ground.

Insight as identity. Contemporary wellness and mindfulness culture has made a commodity of emptiness-contemplation: "let go," "you are not your thoughts," "observe without judgment." These are not wrong. But the *Mohe Zhiguan* identified the trap centuries ago: 智障. The wisdom that liberates becomes, the moment you identify with it, a new chain. "I am the one who lets go" is a self. "I am non-attached" is the most tenacious attachment. The Third Contemplation exists precisely because the first two are not enough. This is not a critique of mindfulness practice; it is an acknowledgment that any practice, including the most sophisticated, can be colonized by the ego it was meant to dissolve.

The burnout-nihilism oscillation. Many contemporary workers cycle between two extremes without recognizing them as extremes: overwork (grasping the provisional as ultimate—"this deadline, this promotion, this output *is* my life") and nihilistic withdrawal ("none of it matters, I'm quiet-quitting, I'm checking out"). The text's language is precise: 非空故不沈 (not empty, therefore not sinking into meaninglessness), 非假故不浮 (not merely provisional, therefore not floating into frantic over-identification). The Middle Way is not "work-life balance"—that's still a negotiation between two reified poles. It is seeing that neither the career-self nor the "I don't care" self has ultimate standing, and acting from that seeing.

Compassion fatigue and its cure. People who care for others—parents, nurses, teachers, therapists—often burn out because their compassion has conditions: it is anchored to a fixed image of "the person I'm helping" and a fixed image of "myself as helper." When reality violates those images (the patient doesn't improve, the student doesn't care, the child rejects you), the structure collapses. 無緣慈悲—conditionless compassion—is not cold. It is compassion that doesn't require the world to conform to your narrative of helping in order to keep caring. It acts without the action being a transaction between two fixed selves. This is not a platitude; it is what the text says keeps Bodhisattvas in saṃsāra for incalculable eons without burning out.

A note on science. Contemporary neuroscience speaks of "predictive processing"—the brain as a prediction engine that constructs experience from prior models rather than passively receiving it. This resonates, loosely, with the Buddhist claim that what we take to be "reality" is 假, provisionally constructed. And the observation that meditation can reduce "self-referential processing" in the default mode network echoes, at a distance, the de-reification that emptiness-contemplation performs. But these are structural analogies, not proofs. Neuroscience describes mechanism; it does not adjudicate the ontological claims of 實相. And no fMRI study can confirm or deny 一破一切破. The contemplative tradition makes first-person claims about the structure of awareness; third-person science makes third-person claims about neural correlates. They may point at overlapping territory. They do not validate each other. Use the analogy as a door into intuition; do not mistake the door for the room.


Common Misreadings and Clarifications

"The Middle Way means moderation." This is the most widespread error. The Buddha's original 中道 (madhyamā pratipad) in the Dhammacakkappavattana Sutta does reject the extremes of asceticism and indulgence—and that ethical sense is real. But the *Mohe Zhiguan*'s 中道觀 is a different register. It is not "don't overdo it." It is the contemplative recognition that *any* position—including "moderation"—becomes an extreme the moment it is reified. 雙遮二邊 negates both sides; 雙照二諦 illuminates both truths. This is not a temperamental preference for the center. It is an ontological claim about the non-establishability of any fixed standpoint. The text's own warning is explicit: 此實相理非止、不止. Even "cessation" is not a place to stand.

"It's a synthesis—thesis, antithesis, synthesis." The Hegelian dialectic produces a higher unity that *contains* the prior moments. The Middle Way does not. 雙遮 is negation without preservation: both extremes are *denied*, not sublated into a richer concept. And the "middle" that remains is not a new positive content. It is, in the text's language, 畢竟清淨、無倚無著 — "ultimately pure, leaning on nothing, clinging to nothing." If you walk away thinking the Middle Way is a "both/and" that transcends "either/or," you have constructed a new "both/and" to cling to. The text anticipates this: even the 空假二智 become 智障 when they "combine with ignorance."

"It's only for advanced practitioners." The 別教 (distinct teaching) presentation is sequential, which can give this impression: first master emptiness, then master the provisional, then—and only then—enter the middle. But the 圓教 (perfect teaching) says 初心即修三觀: from the first thought, all three are present. This does not mean a beginner's glimpse equals a Buddha's realization. It means the *orientation* of the Middle Way is not gated behind prior attainment. You can, in the middle of a Tuesday argument, see that both your position and your detachment are constructions. That seeing is not "preliminary." It is the thing itself, in seed.

"It's the same as 'non-duality' in general." Many traditions speak of non-duality. What is specific to 中道觀 in the Tiantai framework is its *structural* relationship to the other two contemplations and its explicit target: 無明 as distinct from 煩惱 (afflictive emotions). Emptiness-contemplation handles attachment to phenomena. Provisional-contemplation handles attachment to emptiness. The Third Contemplation handles the deepest layer: the tendency of *wisdom itself* to become obstruction (智障). This three-layer architecture is distinctive. A generic "everything is non-dual" does not do this work, because it can itself become the 智障 the text warns about.

"The Eight Negations are just paradoxes to exhaust the intellect." They are not koans in the Zen sense (though they can function similarly in practice). They are analytical: for each pair (arising/ceasing, permanent/annihilated, identical/different, coming/going), you examine whether either term can be established on its own ground, and find it cannot. The *Zhonglun* does this with arguments, not just assertions. The *Mohe Zhiguan* inherits this and applies it contemplatively: 深觀不生不滅,便可通達其餘諸門 — "deeply contemplating not-arising, not-ceasing, one penetrates the meaning of all the other gates." This is a procedure, not a riddle.

"If nothing can be established, why act?" This is the nihilist reading, and the text answers it directly: 非空故不沈. The Middle Way does not negate the provisional world. 雙照二諦 means both truths are *illuminated*, not abolished. Conventional reality—karma, compassion, broken bananas, sprint reviews—continues to function. What is negated is the *ultimate reification* of any position within it. The Bodhisattva acts, exhaustively, without the action being anchored to a fixed agent or a fixed goal. This is harder than either frantic doing or passive withdrawal. It is also, the text claims, the only stance that doesn't eventually collapse.

"中道, 中觀, 中道正觀, 第三觀—they're all the same word, right?" The text is careful: 中道第一義諦觀 emphasizes the *truth entered* (第一義諦, paramārtha-satya). 中道觀 and 中觀 are abbreviated names. 中道正觀 appears in contexts of *function*—breaking obstructions, cultivating the path. 第三觀 marks *structural position* within the three-contemplation sequence. 息二邊止 is the corresponding *cessation* practice. 雙遮雙照 describes the *mechanism*. 智障 names the specific *obstruction* addressed. 破法遍 names the *result* of middle-wisdom opening. 無緣慈悲 names the *motivation*. Collapsing all of these into "the Middle Way" loses the architecture. Each term is a lens on a different facet of the same operation, and the operation is not simple.


The *Mohe Zhiguan* says that when the Third Contemplation matures, 心心寂滅,自然流入薩婆若海 — "thought after thought falls silent, and one flows naturally into the ocean of all-knowledge." Note the word 自然: naturally. Not by effort. Not by achieving a state called "the middle" and defending it. The silence is not manufactured. It is what remains when every position the mind could manufacture has been seen through—not once, but pervasively (遍), so that no new position can take root. This is 破法遍. And it is not the end of acting. It is the beginning of acting without the obstruction that makes action into suffering.

The banana is still broken. You still kneel down.

Canonical EntryAI-generated

1. 定义与核心要义

中道观,梵语 madhyamāpratipad-vipaśyanā,《摩訶止觀》又称「中道第一義諦觀」「中觀」「中道正觀」或「第三觀」,是以空、假二观为方便,进而双遮生死、涅槃等二边,双照真、俗二谛,破除无明而契入实相的观法。其三观结构为:从假入空,名「二諦觀」;从空入假,名「平等觀」;由前二观方便得入中道,双照二谛,使心心寂灭,自然流入「薩婆若海」,名「中道第一義諦觀」。

此处所谓中道,并非在两个极端之间另立一个固定位置。空观以空破生死之取著,假观又以空破对涅槃空寂的执取;中道既不偏空,也不偏假,故兼具「雙遮二邊」与「雙照二諦」二义。

2. 主要阐述

三观与入中道

空、假二观分别破除取相与无知,但相对于中道仍是方便道;修行者须进一步修第三观,破一分无明,开一分佛眼,见一分中。别教式表述采取次第修习,先修空、假而后入中;圆教式表述则称「初心即修三觀」,可于此身破除两惑而入中道,不必等待前二观分别完成。二者虽在修习次第上有别,第三观所对治的核心同为无明。

息二边与双遮双照

与中道观相应的止门称为「息二邊止」。生死、涅槃二相俱息,称「止息」;心安住于理、缘心中道,称「停止」;实相之理本来非止、非不止,称「非止止」。《摩訶止觀》明言「此實相理非止、不止」,因而其离边之义是不住止与不止、生死与涅槃,而非执取一个称为“中”的第三端。

圆观实相又以「雙遮雙照」说明:非空,故不沉;非假,故不浮。文本还用多组相对语显示这种不偏的状态:禅悦法喜无二边之偏,名「不飢不飽」;面对无明则「不住調伏,不住不調伏」;发心非难非易,身行不宽不急,慧命不涩不滑。这些说法皆由不住相待两端显示中适与调和。

正修中观与破法遍

「正修中觀」以空、假二智为直接观察对象。二智在先前破惑时称为「智」,但相对于中道,又会成为障碍中智的「智障」;这是因为二智与无明相合,遂能障蔽中道。修观时分别从法性生、无明生、法性与无明合生以及离二者而生等方面推求,皆不得成立。由此观察无明、法性及真缘,不依二边,也不依四句,达到毕竟清净、无倚无著。中智一开,即能「一破一切破」,所以称为「破法遍」。

八不观门与对待执取

《摩訶止觀》又以《中論》式「八不」表述中道观门,即不生、不灭、不常、不断、不一、不异、不来、不去;此外还列举不有不无、不垢不净、不住不著等相待语。深观不生不灭,便可通达其余诸门之义。由此可见,中道观的离二边并不限于空、有一组对待,而是对生灭、常断、一异、来去等分别执取逐一检校。

无缘慈悲与实践功用

中道观的修习因缘之一是「無緣慈悲」。这种慈悲与实相同体:不取众生相,故不是爱见;不取涅槃相,故不是空寂;因无二边相,故名「无缘」。空、假两观不能除尽的无明障,唯由中道观加以破除。修行者以中道正观知一切苦、断法界集、修无上道、证究竟灭,从而圆满本愿。

就实践作用而言,中道观用于调伏无明、通达实相。修习者对无明、法性、真缘等逐一检校,破除无明之塞,即能通「五百由旬」;有疾菩萨亦以中道观调伏其心,拔除无明之苦,给予究竟之乐。

3. 不同部类与译本的表述差异

现有材料仅涉及诸宗部《摩訶止觀》(《摩訶止觀》),未提供其他部类经典或同经异译本,故不能据此列举诸经之间如「五陰」「五蘊」一类的异称,也不据经外材料补设差异。

就《摩訶止觀》内部而言,同一观法有数种名称:「中道第一義諦觀」强调其所入为第一义谛;「中道觀」与「中觀」为简名;「中道正觀」多见于其破障、修道的作用表述;「第三觀」则标示它在空、假、中三观结构中的位置。与观门相应的止门特称「息二邊止」;说明其圆融作用时用「雙遮雙照」;说明空、假二智反成中道之障时用「智障」;说明中智一开、一破一切破时用「破法遍」。这些用词各有语境,不宜全部改写为泛称的「中道」。

4. 与相关概念的关系

中道观与空观、假观构成三观:空、假二观是进入中道的方便,中道观则在不偏于二者的同时双照二谛。它与真谛、俗谛的关系不是舍弃二谛,而是「雙照」;与生死、涅槃的关系不是择取其一,而是使二相俱息。它与止的关系表现为「息二邊止」,而实相理自身又被说为非止、非不止。

中道观与无明的关系是能治与所治:第三观以无明为核心所破,空、假二智若与无明相合,又可成为「智障」。它与慈悲的关系则表现为「無緣慈悲」:既不以众生相形成爱见,也不以涅槃相落入空寂。它与佛智的关系,表现为破无明、开佛眼、见一分中,并最终流入「薩婆若海」。

5. 代表性原文引用

「從假入空名二諦觀,從空入假名平等觀」;前二观为方便,由此进入「中道第一義諦觀」,双照真俗,心心寂灭,流入「薩婆若海」。

「此實相理非止、不止」,表明实相不住止与不止;相应止门称「息二邊止」。

「初心即修三觀」,是圆观不待次第完成空、假二观而直修三观的表述。

「雙遮雙照」概括中道既遮二边又照二谛;「非空故不沈,非假故不浮」则说明其不偏空、假的意义。

「一破一切破」说明中智开启后的遍破作用,故名「破法遍」。

By SutraAI-generated

妙法蓮華經文句T1718 · 經疏部

《妙法蓮華經文句》論「中道觀——遠離二邊而如實觀察諸法」,主要使用「中道觀智」、「中道正觀」、「如實相」三組術語,與「二邊」、「三諦」、「三觀」等概念交織闡釋。

一、觀體與觀相之分層

經文明示:「『觀』者,中道觀智也,『一切法』者,十法界境也」,以中道觀智對觀十法界境。並分觀體、觀相兩層:「觀一切法空如實相,標觀體;不顛倒去九句,釋觀相」,「觀體」即如實相,「觀相」則有不顛倒、不動、不退、不轉、如虛空、無所有性、言語道斷、不生、不出、不起、無名、無相、無所有、無量、無邊、無礙無障等十六義。

二、如實之語義界定

釋「如實相」云:「二邊三諦無一異名『如』,非七方便故名『實』,以實為相故言『如實相』」。以「二邊三諦無一異」顯「如」,以「非七方便」顯「實」,界定如實之觀乃離空有二邊、非三乘權位之觀。

三、遠離二邊之具體內涵

中道觀之離邊,分數層顯出:(一)「不為二邊八倒所動,名不倒不動」;(二)「不墮二乘凡夫二地,故云不退不轉」;(三)「不如凡夫轉生死,不如二乘轉凡聖」。即不墮流轉邊,亦不墮偏空邊;不為分段、變易二死所動;不入凡夫、二乘二地。

四、雙照二邊之補充

經文接言「但以因緣有」,是雙照二邊:「理性畢竟清淨……非解非惑,而從惑因緣生生死,從解因緣生涅槃」。故中道觀非僅離邊,亦照二邊,「常樂觀如是等法」即結不思議三觀,「常樂觀」亦結不思議三觀。

五、別教、圓教之頭陀行

論抖擻(頭陀)法,區藏、通、別、圓四教。「別教」以法身為住處、般若為食、明「是中道正觀頭陀,出過二乘所行苦行」。「圓教」則「住處即衣即食,但是一法分別說三,一抖擻一切抖擻,一切抖擻一抖擻,非一非一切,於一切抖擻無非實相,諸佛所行是如來行,過諸菩薩所行清淨」。觀心釋中亦以三觀對應:「即空抖擻取相,即假抖擻塵沙,即中抖擻無明,一心中抖擻五住」。

六、菩薩名號之觀解

釋諸菩薩名,屢以「中道正觀」貫通:釋「善守(跋陀婆羅)」云「中道正觀,於諸善中最為上首,故言善守」;釋「慈氏(彌勒)」云「中道正觀即是無緣大慈,慈善根力令諸心數皆入同體大慈法中,離諸不善」;釋「導師」云「三觀妙智導一切行,不墮二邊,皆入正觀,故名導師」。

七、術語形式小結

本部以「中道觀/中道觀智/中道正觀」並用;其離邊之相為「不為二邊八倒所動」、「不墮二乘凡夫二地」、「不墮二邊」;其如實之相為「如實相」、「觀一切法空如實相」,並以「雙照」之語補離邊之單邊,示中道觀雙遮雙照之圓義。

摩訶止觀T1911 · 諸宗部

《摩訶止觀》論中道觀,置於三觀(空觀、假觀、中道觀)之最高一層,且以別、圓二教分判其修入淺深。別教之中道,以「中道為真,有、無為俗」,照此二諦「從容中當」名中道,「二用無偏」名雙照;行者須先以慧眼見空、次以法眼見假,而後「進修中道,破一分無明,開一分佛眼,見一分中,方是真因」,歷三十心、動經劫數始破無明。圓教則不然,「初知中道」,「秖於是身即破兩惑,即入中道,一生可辦」,初心即修三觀,不待空假二觀先成。經以賊有三重、器械鈍與身壯兵利為喻,明別教遲迴與圓教頓破之異。

修中觀之因緣略開為五:無緣慈悲、滿弘誓願、求佛智慧、學大方便、修牢強精進。其中無緣慈悲「與實相同體」,不取眾生相故非愛見,不取涅槃相故非空寂,「無二邊相,故名無緣」;此慈唯在如來,具一切佛法、十力、無畏,為如來藏、諸法都海。經又明「此無明障依兩觀生,兩觀所不能除,唯中道觀乃能破」,如水生火、還用火滅,故非中道觀不能開闢。滿弘誓願方面,空假兩觀知苦斷集猶如枝葉,「中道正觀」則「知一切苦,斷法界集,修無上道,證究竟滅」,一霔即滿,如娑伽羅龍王所霔泉池。

就觀體而言,中道正觀「觀無明、法性,不依二邊,不依四句,畢竟清淨,無倚無著」,引《淨名》「稽首如空無所依」為證;此智一破一切破,靡所不遍,故名破法遍。經復約橫門明破法遍,引《中論》八不——不生不滅、不常不斷、不一不異、不來不去——謂「若深觀不常、不斷,即入無生、無滅義」,諸門無量皆能通,故稱為門。

就通塞檢校而言,經立五百由旬之喻:約觀智,「空觀智知三百,假觀智知四百,中觀智知五百」;約煩惱,見諦惑為一百,五下分為二百,五上分為三百,塵沙為四百,無明為五百。竪通塞中,「無明因緣生死等為塞,中道正觀為通」,行者於無明、法性、真緣等一一法、一一能、一一所明識諦、緣、度,「若起三塞,破之令通;若是三通,養令成就」,則過無明之塞、通五百由旬。

就化他而言,有疾菩薩以中道觀調伏其心:觀病雖即法界,而眾生不即中道,此理未顯,隨無明流沒變易海,故起慈悲「拔無明苦、與究竟樂」;心調伏故實疾除愈,以慈悲故權病則生,生實報土,是名「圓教慰喻有疾菩薩」。經終結云:「如是三疾,一心中生;如是調伏,一觀調伏;如是慈悲,圓普慈悲」,為易解故方作三觀分別說。

用語上,本經通篇以「中道觀」「中道正觀」「第三觀」三名互用指稱此觀,又以「雙照」狀其照用無偏,以「破法遍」狀其智用周遍;所破之惑稱「無明」,所證之理稱「法性」「實相」,所居之土稱「實報無礙土」「實報土」,皆本經固定術語。

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