Dharma · AI Companion

八觸

aṣṭa-sparśa

禅定中身体所现八种触相AI-generated

Type PhenomenaDifficulty IntermediateTruth-level span outside the four-fold two-truths frameworkInitial AI estimate · evolves with use

A Contemporary ReadingAI-generated

In the Tiantai (天台宗) contemplative system laid out in the *Mohe Zhiguan* (摩訶止觀, "The Great Calming and Contemplation," T1911, by Zhiyi 智顗), the Eight Touches are eight specific body-sensations — not thoughts, not emotions, not visions — that arise in seated meditation when the Four Elements (四大, *catvāri mahābhūtāni*: earth 地, water 水, fire 火, wind 風) become "fine" (轉細) as concentration deepens. They are the threshold phenomenon (禪相): the moment when meditation crosses from the Desire Realm (欲界, *kāma-dhātu*) into the Form Realm (色界, *rūpa-dhātu*), specifically the first dhyāna (初禪).

This is not metaphor. It is a precise phenomenology of the body during deep seated meditation. And it comes with an equally precise diagnostic: which touches are correct, which are wrong, which are sickness, which signal liberation. Let me walk through what Zhiyi is actually saying before we turn it toward contemporary life.


What This Concept Is Saying

Two Lists, One Vocabulary

Mohe Zhiguan gives us two parallel lists that look slightly different but describe the same territory, each illuminating a different aspect.

List One — The Diagnostic Map (used in breath regulation, imbalance, and healing):

| Four "Proper Body Touches" (四正體觸) | Element | |---|---| | Heavy (重) | Earth | | Light (輕) | Wind | | Cold (冷) | Water | | Hot (熱) | Fire |

| Four "Dependent Touches" (四依觸) | Element | |---|---| | Rough (澁) | Earth | | Smooth (滑) | Water | | Soft (軟) | Fire | | Coarse (麁) | Wind |

The four proper touches arise directly from mind and the four elements in harmony. The four dependent touches are qualities that *rest upon* the proper touches. Inhalation aligns with earth (heavy) and water (cold); exhalation aligns with wind (light) and fire (hot). The rough/smooth, soft/coarse qualities follow this same elemental pairing.

List Two — The Arising Map (used when describing the actual arising of first dhyāna):

| Touch | Element | |---|---| | Movement (動) | Wind | | Itch (痒/癢) | Fire | | Light (輕) | Wind | | Heavy (重) | Earth | | Cold (冷) | Water | | Warm (煖) | Fire | | Rough (澁) | Earth | | Smooth (滑) | Water |

Five names are shared (light, heavy, cold, rough, smooth). Three differ deliberately, and the differences carry meaning. 熱 (hot) becomes 煖 (warm) — fire's gentler face when concentration has refined it. 軟 (soft) and 麁 (coarse) collapse into 痒 (itch) — fire's more specific surface sign during dhyāna's arising. Zhiyi's text records both lists as canonical; collapsing them or choosing one as "right" loses the diagnostic capacity of the other.

Holding both lists together gives us the full picture: the same four elements can manifest as illness (when mind and breath are out of joint) or as liberation (when they have become fine through concentration). The Eight Touches are the diagnostic vocabulary for both.

Where Do They Come From?

Mohe Zhiguan offers two explanations and immediately warns against absolutizing either:

*"色界淨色觸欲界身,觸從外來"* — "The pure form of the Form Realm touches the Desire-Realm body; touch comes from outside." *"性障除後,細法從內而起"* — "After the nature-obstacles (性障) are removed, subtle dharmas arise from within."

Then comes the diagnostic that prevents doctrinal capture: if you cling to "outside," you fall into other-powered existence (他性). If you cling to "inside," you fall into self-powered existence (自性). Neither alone captures what is happening.

The pragmatic account Zhiyi favors: through counting breaths, the mind sequentially transforms fire, wind, water, earth; the four elements themselves become subtle; the eight touches manifest as the "substance and function mutually adding" (體、用相添) of the elements.

The teaching here is profound before we even get to the phenomenology: the eight touches are not objects to be received, nor are they productions of an autonomous self. They arise when body, breath, and mind come into a particular harmony. Mistaking them for either reception or possession is the first wrong touch.

How They Unfold: Vertical and Horizontal Arising

The Eight Touches do not arrive as a single package. They unfold in two patterns:

- Vertical arising (竪發): one touch gradually deepens and refines itself, moving through layers. - Horizontal arising (橫發): one touch arises, then another, then another, with overlaps and interweaving — movement first, then itch and warmth joining in, then cold and smooth, then heavy and rough.

But they cannot all arise in a single moment, because they belong to different elements. "Water and fire are incompatible" (水火相乖). The body cannot be cold-water and hot-fire in the same layer at the same time. They take turns, layer upon layer, even when the meditator is sitting perfectly still.

The Ten Merits of Each Touch

Each touch — be it movement, itch, warmth, heaviness, or whatever arises — comes accompanied by ten merits (十功德): emptiness (空), clarity (明), stability (定), wisdom (智), good mind (善心), softness (柔軟), joy (喜), bliss (樂), liberation (解脫), and correspondence with the realm (境界相應).

This is critical and easy to miss. The Eight Touches are not raw sensations. They are sensations brimming with liberation-qualities. All eight touches carry these ten merits, hence "eighty merits adorn them" (八十功德莊嚴). This is what distinguishes first-dhyāna touch from desire-realm touch: the merits are present. Without the merits, the touch is just sensation; with the merits, the touch is a threshold.

The Danger: Wrong Touches (邪觸) and the 160 Errors

It is easy to mistake desire-realm concentration (欲界定) for first dhyāna. Zhiyi is merciless on this point: the eight touches that arise in desire-realm concentration are called "wrong touches" (邪觸) or "sickness-affliction touches" (病煩惱觸). To know whether you have truly crossed the threshold, you must test each touch by its ten merits, checking for excess (太過) and deficiency (不及):

Take movement (動) alone: - Moderate internal movement = correct - Rapid, frantic scratching and agitation = excess - Total stillness, feeling bound = deficiency

Each of the ten merits likewise has its excess and deficiency. Emptiness too empty, clarity too dazzling, stability too numb. Per touch: 10 merits × 2 errors = 20 incorrect signs. Eight touches × 20 = one hundred and sixty incorrect dharmas (一百六十邪法) that must be examined and dismantled by calming and contemplation (止觀, *śamatha-vipaśyanā*).

This number is not arbitrary scholasticism. It is a structured diagnostic: every good feeling in meditation has a wrong-mode version, and the wrong-mode is structurally indistinguishable from the right-mode except by the presence or absence of the ten merits. Zhiyi is doing something like differential diagnosis — the same surface sign, two different conditions, distinguished only by the cluster of accompanying signs.

The Connection to First Dhyāna's Five Factors

When the eight touches arise correctly, they give rise to the five constituents of first dhyāna (五支功德):

- Initial touch on body while in a state of awareness = perception (覺, *vitarka*) - Discerning the eight touches and their ten retinues = investigation (觀, *vicāra*) - Rejoicing at this = joy (喜, *pīti*) - Peaceful pleasure = bliss (樂, *sukha*) - Settled one-pointedness = one-mindedness (一心, *ekāgratā*)

The Eight Touches are the raw material out of which first dhyāna is woven. They are the body-side of awakening; the five factors are the mind-side. They arise together; neither is prior.

Breath Regulation as Medicine

Finally, eight touches can become illness when breath regulation contradicts them. Zhiyi's therapeutic principle:

- Heavy touch (earth) but breathing out repeatedly = contradictory. Earth settles on the inhale. Treatment: lean into the inhale. - Light touch (wind) but breathing in repeatedly = contradictory. Wind lightens on the exhale. Treatment: lean into the exhale. - Cold touch (water) with too much inhale = water-burden. Treatment: exhale more.

The same eight touches that signal liberation can signal illness, depending on whether breath is correctly tuned. This makes the eight touches simultaneously a phenomenology of awakening and a diagnostic of bodily illness — two faces of the same body-awareness. The diagnostic capacity of the system is built into its therapeutic application.


Walk-through in Contemporary Life

A note of honesty before we begin. The Eight Touches, as Mohe Zhiguan describes them, are phenomena that arise when concentration has become deep enough to transform the four elements from "coarse" (粗) to "fine" (細). Most contemporary people will never sit in first dhyāna. What they feel during meditation, yoga, breathwork, or a quiet evening is not, strictly speaking, the Eight Touches.

But — and this is the heart of the matter — analogues, precursors, and fragments of the Eight Touches appear all the time, especially when we stop scrolling, stop multitasking, and actually sit with the body. Zhiyi's diagnostic vocabulary is a powerful lens even when the full phenomenon is not present. Let's walk through a contemporary scenario and use it as a mirror.

It's 10:47 PM. The children are finally asleep. You sit on the cushion.

You have been holding a small child for an hour. Your shoulders are heavy. Your forearms are warm where the child's body was. As you settle into sitting, you begin a body-scan — the kind you learned from a meditation app.

Feet first. Your feet are cold. They've been cold all evening. This is *water-touch* — cold, water. But is it the eight-touch cold that signals first dhyāna, or is it just your poor circulation?

Zhiyi's diagnostic immediately applies: does this cold come accompanied by the ten merits? Is there a sense of clarity (明), stability (定), and ease (樂)? Or is the cold just cold?

If it's just cold, this is a wrong touch (邪觸) — desire-realm cold, the body talking about the day. Don't build a meditation on it. Don't try to make it profound. Note it, and move on.

Move to the legs. The legs are heavy. Gravity feels doubled. This is *earth-touch* — heavy, earth. The body is sinking into the cushion. Again: does it come with the ten merits? Or is it the heaviness of a long day?

Diagnostic check: is the heaviness accompanied by joy (喜)? If you are simply tired and miserable, the heaviness is wrong-touch — earth out of balance, sinking without release. Zhiyi would say this is the danger: mistaking fatigue for earth-meditation. This is the most common contemporary error. A tired person sits down, feels heavy, and confuses exhaustion for dhyāna.

The back. Your back twitches. A small involuntary jerk, then another. This is *movement-touch* (動) — wind. Now: is it the moderate, settling movement of a body that is re-organizing itself, or is it the agitated scratching-movement of someone who cannot actually sit still?

Moderate, occasional, accompanied by softening of the breath = correct touch. Frantic, increasing, with agitation = excess = wrong touch. Total absence of any movement while the mind races = deficiency = also wrong touch.

The face. Your nose itches. A maddening, specific itch on the left nostril. This is *itch-touch* (痒) — fire's surface sign. You scratch it. It's worse. You scratch again. Now you are lost in the itch; the body has hijacked the meditation.

Here is a direct application of Zhiyi's teaching: the itch arose in the desire-realm context (a tired body, distracted mind). It is wrong touch. The remedy is not to fight it but to recognize it. What happens if you simply stay with the itch as a sensation — note its fire-quality, note how it rises and falls — without either scratching or fighting?

If the itch settles into a clear, stable, warm presence (still there, but no longer commanding), that is the beginning of *correct* itch-touch. If it grows, demands, multiplies, it remains wrong touch — fire out of balance.

The chest. As the session continues, you begin to feel a curious warmth in the chest. Not the warmth of the child you held; deeper. This is *warm-touch* (煖) — fire, but fire's finer, gentler form. Zhiyi's text says 煖 rather than 熱 precisely because first-dhyāna warmth is gentle warmth, not the burning-heat of desire-realm fire.

The diagnostic question: is this warmth accompanied by the ten merits? Often in this state there is a slight sense of clarity — the day dissolving, the mind quieting. There may be a faint joy — not happiness, just a soft gladness that the children are asleep, that you are sitting, that the body is still.

If those merits are present, you are touching the edge of correct fire-touch. If the warmth is just the radiator you forgot to turn off, it is wrong touch.

A wave of lightness. Halfway through the sit, you suddenly feel your body as light. Almost weightless. As if the cushion is not there. This is *light-touch* (輕) — wind. It can be quite startling when it first arises.

Modern meditators often mistake this for "going deep." It can be — when accompanied by ten merits, especially stability (定) and one-pointedness. It can also be wrong touch — the mind floating off, dissociation, the beginning of a desire-realm "high." Zhiyi's diagnostic cuts cleanly: stability present = correct; absence of stability, giddiness, dreamy drift = wrong.

A wave of cold. A cool sensation spreads down the back. Refreshment, like a breeze inside the body. *Cold-touch* (冷) — water. In the desire-realm context this might just be noticing the air conditioning. In a contemplative context, this is one of the more reliable correct touches, often accompanied by clarity (明) and ease (樂). Cool, clear, easy — this cluster indicates water-touch in its right mode.

Smooth and rough. Toward the end of the sit, you notice the body's interior feels strangely smooth. Like silk. Like water flowing. This is *smooth-touch* (滑) — water's surface quality. The opposite — rough, frictiony, like sandpaper inside — is *rough-touch* (澁), earth. Both can arise. The diagnostic: smoothness with ease and clarity = correct. Roughness with agitation or stuckness = earth out of balance, the body crying out for movement, for water, for release.

The post-sit moment

You open your eyes. You feel... odd. Different. Not dramatically. Just: the body is here, the breath is here, the room is here. A slight coolness in the face, a slight warmth in the chest, a slight heaviness in the legs, a slight lightness in the shoulders.

This is the eighty merits adorning the eight touches (八十功德莊嚴), in faint form. It is not first dhyāna. But it is the body's threshold experience — a faint, ordinary echo of what Zhiyi describes. Each element has presented itself; each touch has come with its merits; each touch has been liable to drift toward excess or deficiency.

The point of the walk-through: Zhiyi's diagnostic is not reserved for monastics in caves. It applies to every body, every evening, every time a contemporary person stops scrolling and sits. Most of what we feel in meditation is wrong touch. A tiny portion is correct touch. The skill is the diagnostic — knowing which is which, and not mistaking desire-realm feeling for form-realm awakening.


Why Contemporary People Need This

1. We are profoundly out of touch with our bodies.

Contemporary life is engineered for body-disconnection. Screens hold the eyes and the mind. Reclining postures keep the body passive. Distraction technologies keep interoception — the felt sense of the body's interior — at bay. Many people cannot accurately report whether they are tense or relaxed, hot or cold, without consulting a thermometer or a smartwatch.

The Eight Touches, even in their faint contemporary echoes, are a re-education of interoception. They teach that the body has an elemental vocabulary — earth, water, fire, wind — and that this vocabulary becomes articulate when we stop interfering with it. The diagnostic of excess and deficiency is not ancient superstition; it is a phenomenology of body-states that contemporary interoception research is only beginning to map.

The neuroscience here is suggestive, not conclusive. Studies on interoception, on the insula cortex's role in body-awareness, on the way focused attention alters bodily maps, on the differential phenomenology of "highs" versus "settled states" — these line up with the broad shape of what Zhiyi is describing. But no scan has ever shown "earth-touch" or "itch-touch" in the way Mohe Zhiguan means them. The classical phenomenology is richer, more specific, and more diagnostically structured than any current scientific framework. Use the analogy; don't claim the proof. The Eight Touches remain, for now, a more precise instrument than neuroscience has yet produced.

2. Our "concentration" is constantly fragmented.

We talk about being focused when we are actually doing five things. We call our scattered attention "concentration" because we can sustain a single task for forty minutes. By Zhiyi's standard, even desire-realm concentration (欲界定) is a major attainment — the very precondition for the eight touches.

The Eight Touches offer a mirror for our elemental imbalance. When we feel heavy but cannot settle — earth out of balance. When we feel light but cannot stabilize — wind out of balance. When we feel warm but cannot cool — fire out of balance. When we feel cold but cannot refresh — water out of balance. These are not just mood descriptions; they are diagnostic categories that map onto actual body-states.

The contemporary experience of being "burned out" — overheated, dried-out, restless, unable to settle — is a recognizable failure of elemental balance that Zhiyi's system can describe with more precision than most modern vocabularies. The same is true of the contemporary experience of being "frozen" — heavy, cold, stuck. The same is true of being "scattered" — light, wind-driven, ungrounded.

3. The diagnostic of correct vs. wrong touch is exactly what the modern meditation world needs.

The contemporary wellness-and-meditation industry often encourages practitioners to chase good feelings in meditation. Tingling? That's energy moving. Warmth? That's kundalini. Lightness? That's transcendence. Euphoria? That's samādhi.

Zhiyi's Eight Touches diagnose exactly this tendency. Wrong touches feel good too. Desire-realm touches — itch, warmth, lightness, heaviness — can be intensely pleasant, especially after a long day. They are not liberation. Mistaking them for liberation is the core error that Mohe Zhiguan warns against throughout.

The teaching of the 160 errors is not polemic. It is a clinical observation: every pleasant sensation in meditation has a wrong-mode version, and the wrong-mode version is structurally indistinguishable from the right-mode version except by the presence or absence of the ten merits.

In an age where meditation is sold as a path to good feelings, the Eight Touches teach that good feelings require diagnostic, not celebration.

4. The breath-regulation principle is widely applicable.

The principle — that mismatched breath produces bodily illness, and that the remedy is opposite-direction breath — is the basis of much of traditional Chinese medicine, of pranayama in yoga, of contemporary breathwork practices. Zhiyi's contribution is the precision: each touch has its own breath-medicine. Heavy-touch earth sickness = use inhalation. Light-touch wind sickness = use exhalation. Cold-touch water sickness = use exhalation. Warm-touch fire sickness = use inhalation.

Modern breathwork often operates without this precision, with consequent mixed results — and sometimes with the very "sickness-affliction touches" Zhiyi warns about. The Eight Touches offer a finer map for any practice that works with breath and body.

5. The warning about attachment is hyper-relevant.

The single sharpest teaching in this entire system: if you cling to the eight touches, you generate greed, pride, and delusion (貪、慢、癡). Even correct touches, clung to, become wrong. Even first-dhyāna experience, clung to, becomes a spiritual obstacle.

In a culture that increasingly treats spiritual experience as a product to be reviewed — "I had a profound meditation today, five stars" — Zhiyi's teaching that the only safe place for the eight touches is in non-clinging awareness is radical medicine. It is also, in its own way, an early articulation of what modern psychologists call "the hedonic treadmill" or "spiritual bypassing" — though without the Buddhist diagnostic precision.

The Eight Touches are not a destination. They are a threshold that must not be turned into a trophy.


Common Misreadings and Clarifications

Misreading 1: "The Eight Touches are eight mystical experiences to be sought."

Clarification: They are a diagnostic vocabulary. They are not prizes; they are signals. A heavy touch during meditation is information, not achievement. The achievement is in how you relate to the touch — with the diagnostic clarity of ten-merits-checking, or with the clinging of desire-realm experience.

Misreading 2: "Eight touches = eight stages of meditation, in order."

Clarification: They are not a linear ladder. They are eight qualities that arise in various sequences — sometimes overlapping, sometimes sequential, depending on vertical (竪發) or horizontal (橫發) unfolding. They cannot all arise in a single moment. They are a multi-dimensional map, not a single path.

Misreading 3: "If I felt tingling during meditation, I touched the Eight Touches."

Clarification: Body-sensations arise all the time, especially during quiet sitting. The Eight Touches specifically require a contemplative context deep enough that the four elements have become "fine" (轉細). Otherwise, tingling is just tingling. The diagnostic of ten merits, excess, and deficiency is how you tell the difference — and most of the time, the diagnostic will reveal desire-realm touch, not form-realm touch.

Misreading 4: "Reaching the eight touches is the goal."

Clarification: The eight touches are the threshold, not the destination. Beyond them lies first dhyāna with its five factors (五支功德). Beyond first dhyāna lie deeper dhyānas. Beyond all dhyānas lies liberation. Attachment to the eight touches = wrong touch, sickness, even when the touches themselves were initially correct.

Misreading 5: "The two lists in Mohe Zhiguan are contradictory; pick the right one."

Clarification: Both lists are canonical within Mohe Zhiguan and must be preserved. They serve different functions — diagnosis/healing vs. dhyāna-arising — and the differences in terminology (熱 vs. 煖, 軟/麁 vs. 痒) are meaningful. Preserving both lists preserves the full diagnostic capacity of the text. Collapsing them loses half the instrument.

Misreading 6: "Modern breathwork-induced body sensations are the Eight Touches."

Clarification: Modern breathwork (holotropic breathing, Wim Hof method, intense pranayama, etc.) can produce body sensations that resemble the eight touches — tingling, temperature shifts, heaviness, lightness. But the soteriological framework is different, and the diagnostic structure (ten merits, excess/deficiency, the 160 errors) is not present in most contemporary practice.

The Eight Touches can serve as a diagnostic lens for evaluating any body-sensation practice: does the sensation come with the ten merits? Is it accompanied by stability and clarity, or by agitation and drift? Without the diagnostic, body-sensations are just sensations. With the diagnostic, they become a contemplative instrument. But the lens is not the territory.

Misreading 7: "The Eight Touches are Buddhist-only."

Clarification: The phenomenological vocabulary is Tiantai-Buddhist, but the underlying observations — that the body has elemental qualities, that breath regulates these qualities, that meditative states have diagnostic signs, that attachment to good feeling produces suffering — appear in many contemplative traditions (yoga, qigong, Christian hesychasm, Sufi dhikr). The Eight Touches are a particularly precise articulation of insights that arise wherever human beings sit still and pay close attention.

Misreading 8: "Zhiyi's system proves the four elements are literally real."

Clarification: Zhiyi is not making a physics claim. The four elements are a phenomenological vocabulary for body-experience during deep meditation, not an account of subatomic reality. The diagnostic structure (each touch paired with an element, each touch with its breath-medicine) is a contemplative technology, not a metaphysical commitment. Treating it as the latter makes it brittle; treating it as the former makes it useful.


Closing reflection

There is something quietly astonishing in the Mohe Zhiguan's framing. The same eight body-sensations can be illness or liberation, depending on whether mind and breath are correctly attuned. The diagnostic is not "are you feeling a touch?" — almost everyone feels touches. The diagnostic is "what is accompanying the touch?" — the ten merits, or their absence. The joy or the clinging. The clarity or the drift.

Eight touches; eighty merits; 160 errors; one threshold. The body, when we stop interfering with it, becomes articulate. The question is whether we can hear what it is saying — and whether we can hear it without clinging to the hearing.

That is the Eight Touches' enduring invitation, sixteen centuries on.

Canonical EntryAI-generated

定义与核心要义

八触(aṣṭa-sparśa),指坐禅时由四大和合而于身所生之八种触相,为由欲界定进入色界初禅的禅相。据《摩诃止观》(《摩訶止觀》)所说,性障除后,初禅法起,「八触触身」,并生觉、观、喜、乐、一心五支功德;八触既是色法触及欲界意根等的禅相,也是初禅中觉观等功德成立的所缘。若于八触中生味着,则有贪、慢、痴,须以止观观察、破除,而不可随禅受生。

主要阐述

关于八触的来源,《摩诃止观》并列两种说法:「色界净色触欲界身、触从外来」与「性障除后细法从内而起」;若定执自出或外来,会落入自、他性之过。其实际说明着重于数息转心:心依次转火、风、水、地,四大转细而现八触,是四大之「体、用相添」。

八触可横发、竖发:一触逐渐转深称「竖发」,一触已发而又续发其他触、交错前后称「横发」。以动触为例,其可从头、背、腰、肋、足等处渐遍全身,并具空、明、定、智、善心、柔软、喜、乐、解脱、境界相应十种功德;其余七触亦各具此十功德,故说八十功德庄严。八触虽可前后交发,却不能一念俱成,理由是它们分属四大,水火相乖。

本经又特别辨别正触、邪触。欲界定中所发八触,被称为「邪触、病烦恼触」;初禅八触则须依触相及十功德检验过与不及。以动触言,适中的身内运动为正,急疾搔扰为太过,全然不动如被缚为不及;空、明、定等功德也各有过与不及。每一触由十功德各分二种邪相,共二十邪相,八触合为「一百六十邪法」。

八触也可能因调息相违而致病:如发重触却数数出息,即与触相违;治疗时则反向调息。故本经既以八触为初禅正相,也把辨识邪触、病触及调息失宜列为坐禅实践中的重要问题。

不同部类与译本的表述差异

《摩诃止观》对「八触」列有两组相近而不完全相同的名称:

第一组于论坐禅失调及治病时提出,分「四正体触」与「四依触」:四正体为「重、轻、冷、热」,由心与四大和合而生;四依触为「澁、滑、软、麁」,依于正体。入息顺地而重、顺水而冷;出息顺风而轻、顺火而热;澁滑、软麁亦依此相配。

第二组于论初禅发相时提出,列为「动、痒、轻、重、冷、煖、澁、滑」,并明确配属四大:动、轻属风,痒、煖属火,冷、滑属水,重、澁属地。

两组术语当中,「痒」即概念题名所对应的「痒」之异体字;两组共有「轻、重、冷、澁、滑」五名相重,「热」与「煖」、「软、麁」与「痒」则用字有别。此为本经内部应予保留的两套术语形式。

与相关概念的关系

八触与初禅五支功德密切相关:正触成禅,并与五支相应——初触身而在缘名「觉」,细辨八触及十眷属名「观」,庆悦名「喜」,恬愉名「乐」,寂然名「一心」。

八触亦与四大调息相联:四大之体、用相添,配合入息出息之顺四大而现八触;若调息相违,则八触转为病触,须以反向调息治疗。本经又以「一百六十邪相」标示八触失调之过患,须以止观破除贪、慢、痴等烦恼,方为正触。

代表性原文引用

- 「性障除后,初禅法起,八触触身,五支功德生。」 - 「心与四大和合,生四正体触及四依触,合称八触,列为重、轻、冷、热、澁、滑、软、麁。」 - 「入息顺地而重、顺水而冷,出息顺风而轻、顺火而热。」 - 「八触:动、痒、轻、重、冷、煖、澁、滑;动、轻属风,痒、煖属火,冷、滑属水,重、澁属地。」 - 「色界净色触欲界身、触从外来;性障除后细法从内而起……心依次转火、风、水、地,四大转细而现八触。」 - 「八触可横发、竖发……以动触为例,具空、明、定、智、善心、柔软、喜、乐、解脱、境界相应十种功德;其余七触亦各具此十功德。」 - 「欲界定中所发八触,被称为邪触、病烦恼触;初禅八触则须依触相及十功德检验过与不及。」 - 「初触身而在缘名觉,细辨八触及十眷属名观,庆悦名喜,恬愉名乐,寂然名一心。」 - 「发重触却数数出息,即与触相违;治疗时则反向调息。」

By SutraAI-generated

摩訶止觀T1911 · 諸宗部

《摩訶止觀》論「八觸」之要點,可歸納為七端:

一、八觸之名義與生起。經文將「八觸」界定為禪定中身體所現之八種觸相,與四大(地、水、火、風)密切相關。經云:「四大轉細,故有八觸」,謂修心漸利、性障既除,細法自然生起,譬如麥變為麴、麴變為糟、糟變為酒,乃從心內轉變而出,非從外來。

二、八觸之結構分類。經文明示八觸由「四正體觸」與「四依觸」組合而成:「心與四大合則有四正體觸,復有四依觸,合成八觸」。

三、八觸之具體名目。本經對八觸有兩種並列之表述:(一)依四大體用相添而立名:「動、輕是風;痒、煖是火;冷、滑是水;重、澁是地」。(二)依身相感受而描述:「重如沈下,輕如上升;冷如氷室;熱如火舍;澁如挽逆;滑如磨脂;軟如無骨;麁如糠肌」,並標明「此八觸四上四下」。

四、八觸與息之關係。經中將入息、出息各配四大之性:「入息順地大而重,出息順風大而輕;又入息順水大而冷,出息順火大而熱;又入息順地大而澁,出息順風大而滑;又入息順水大而軟,出息順火大而麁」。若發八觸而用息與觸相違,便致成病。

五、八觸發起部位與修行分位。動觸之起可由頭、背、腰、肋、足等處漸遍全身。其部位不同,分位亦異:從頭發多成退分,從腰發成住分,從足發多成進分。

六、八觸之功德與邪正簡別。八觸發時各具「十功德」:空、明、定、智、善心、柔軟、喜、樂、解脫、境界相應。然經中特別強調須辨邪正:「若欲界定中發八觸者,悉是邪觸、病煩惱觸」,唯入初禪方為正八觸。以動觸為例,計二十種邪相,合八觸則有一百六十邪法。

七、用息治八觸相違之病。經云「用息治八觸相違病者:若因重觸成地大病,偏用出息治之;若發輕觸成風病,偏用入息治之;若發冷觸成水病,偏用出息治之」等,顯示八觸之發若與息相乖,當以息法治之。

本經所用術語為「八觸」、「四大」、「正體觸」、「依觸」、「十功德」、「邪觸」、「一百六十邪法」、「退分/住分/進分」等,皆直接承自本經文之表達,未見別譯異名之跡。

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