Dharma · AI Companion

三有

tribhava

欲有、色有与无色有。AI-generated

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

A Contemporary ReadingAI-generated

One-sentence definition: 三有 (tribhava, "the three existences") refers to desire-existence (欲有, kāmabhava), form-existence (色有, rūpabhava), and formless-existence (無色有, ārūpyabhava) — the three modes of life in the realms of desire, form, and formlessness through which sentient beings cycle in birth-and-death, driven by their clinging to the five desires and the five aggregates.


What This Concept Is Saying

In the canonical scriptures, the Venerable Śāriputra once answered the wanderer Yañjuka with absolute finality: 「有者,三有。謂欲有、色有、無色有。」(《杂阿含经》). *"What is 'existence'? The three existences: desire-existence, form-existence, and formless-existence" (Saṃyuktāgama).*

To understand the three existences, one must first grasp the distinction in Buddhism between "realm" (界, dhātu) and "existence" (有, bhava). People commonly conflate the three realms (三界, traidhātuka — desire realm, form realm, formless realm) with the three existences (欲有、色有、無色有). But the two emphasize entirely different things:

* The three realms (三界) emphasize the living environment and physical container in which beings dwell (e.g., physical space, celestial hierarchies); * The three existences (三有) emphasize the state of life-existence in which beings, driven by ignorance, craving, and the momentum of karma, continuously generate, flow, and perpetuate themselves (bhava — the "force and state of becoming").

In other words, the "realm" is the stage; the "existence" is the "life-drama and existential inertia" in which you, on that stage, are dragged by karma and endlessly entangled.

The classical canon breaks the three existences into three rigorously defined layers:

1. Desire-existence (欲有): * Scope of domain: Encompasses the hells, animals, hungry ghosts, asuras, humans, and the six desire-realm heavens from the Heaven of the Four Great Kings up to the Heaven of Enjoying Others' Emanations (paranirmitavaśavartin). * Core mechanism: Beings here are dragged by the five desires (五欲 — the five sense stimuli of form, sound, smell, taste, and touch) and the three poisons (三毒 — greed, aversion, and delusion). Driven by desire, they commit unwholesome deeds of body, speech, and mind, generating karma, and thus fall into the violent fluctuation of "dwelling in suffering in the present life; at the breakup of the body and the end of life, descending into the lower realms".

2. Form-existence (色有): * Scope of domain: From the Brahmā heaven, Brahmā attendants, and Great Brahmā, through the heavens of radiance and purity, up to the Heaven of Abundant Fruit (bṛhatphala), the Heaven of No Thought (asaṃjñisattva), and the Five Pure Abodes (śuddhāvāsa, including akaniṣṭha). * Core mechanism: Beings here have already turned away from the coarse stimulation of the five desires and entered a refined state sustained by meditative power (dhyāna). Yet they develop "attachment to form and delusion" (色染与愚痴) — a subtle clinging to and self-identification with extremely subtle materiality (the form body, luminosity, exquisite meditative states). Though free from the torment of coarse desire, their life remains finite and conditioned.

3. Formless-existence (無色有): * Scope of domain: The Heaven of Infinite Space (ākāśānantyāyatana), the Heaven of Infinite Consciousness (vijñānānantyāyatana), the Heaven of Nothingness (ākiṃcanyāyatana), and the Heaven of Neither Perception nor Non-Perception (naivasaṃjñānāsaṃjñāyatana). * Core mechanism: Beings here have abandoned not only coarse desire but also subtle physical form entirely, leaving only pure mental activity. Yet they develop "formless defilement and delusion" (无色染污与愚痴) — mistaking the "space," "pure consciousness," or the subtle state of "neither perception nor non-perception" within deep meditative absorption for an eternal self (the Great Self). This extremely subtle "clinging to a sense of existence" remains a life-state wrapped in karma.

In the classics, to make sentient beings directly see the nature of the three existences, the Buddha and bodhisattvas employed a set of one-to-one classical metaphors:

* The ocean of the three existences (三有海): The three existences are likened to a vast, boundless, unfathomable ocean of birth-and-death, in which beings sink and float with the winds of karma, unable by their own strength to swim to the far shore. * The bond of the three existences (三有縛): The three existences are likened to a rope that tightly binds and constricts the mind; as long as there is even a trace of attachment to the five aggregates (五蘊 — form, feeling, perception, volition, consciousness), this rope ties you fast to the pillar of saṃsāra. * The prison of the three existences (三有獄): The three existences are likened to a prison that appears layered (even if its upper floors are extremely splendid and comfortable). Whether it is the suffering of unfulfilled longing in the human realm or the suffering of a heavenly being's decay and death at life's end, the essence is "seeing suffering pervading the three existences" (观苦遍三有); its retribution is "all things impermanent and unsteady" (一切无常不坚固).

In the Mahāyāna scriptures, two further metaphors are introduced to express transcendence and deliverance:

* The whirlwind (毘藍風, vilaṃbha-vāta): The Buddha's field of merit and majestic power, like a violent "whirlwind" that shakes the great earth, can jolt awake beings sunk in the deluded dream of the three existences. * The great dharma-pool of the three existences (三有大法池): Bodhisattvas who transcend the bondage of the three existences do not escape by soaring above; rather, with great compassion they "enter universally into the world" (普入世間), becoming a "great dharma-pool" (大法池) that moistens the bitter ocean of the three existences, relieving beings' feverish affliction with the cool nectar of the dharma.

Throughout the entire path of liberation, the three existences constitute the complete panoramic picture of life's suffering. The practitioner's ultimate goal is by no means to "upgrade" from desire-existence to form-existence or formless-existence (by cultivating good concentration or seeking rebirth in higher heavens), but rather to follow the eightfold noble path (八正道 — right view through right concentration) and complete the "sequence of emerging from the three realms" (三出界次第) — emerging from the desire realm into the form realm, from the form realm into the formless realm, and finally transcending all three to fully realize "the realm of the cessation of all formations and all thoughts" (一切諸行一切思想滅界, i.e., nirvāṇa without remainder). Only by "knowing that emptiness is still" (知有空寂) — thoroughly seeing that the five aggregates are empty and devoid of self-nature — can one cut off the cause of the three existences and attain the ultimate freedom of "never being born again" (毕不复生).


Walking Through It in Daily Life

Many contemporary people think the three existences (三有) are merely a map of heavens from ancient Indian mythology. In fact, the psychological and existential mechanisms of "desire-existence, form-existence, and formless-existence" play out in our present lives every single moment.

1. Walking Through Desire-Existence (欲有)

* Contemporary scenario: Scrolling short videos late at night, placing endless takeout orders, mentally raging at workplace bullying, controlling and possessing in intimate relationships, comparing yourself with others in parenting anxiety. * Classical mapping: This is the most typical "desire-existence." Your sense organs (eyes, ears, nose, tongue, body) are locked onto external stimuli of the five desires (form, sound, smell, taste, touch). Algorithms endlessly feed your "desire-thoughts and desire-cravings" (欲想、欲求) with dopamine; when you cannot get what you want, "aversion" (瞋恚) arises; when you lose awareness, that is "delusion" (愚痴). * Common mapping error: People often think, "I'm just relaxing and enjoying life — how is this creating karma?" The classics expose this: as long as your desire is accompanied by "greed, aversion, and unwholesome conduct," this psychological inertia keeps injecting into the karmic reservoir of "desire-existence," bringing present-life agitation and torment, and continuing to summon coarse suffering in the future.

2. Walking Through Form-Existence (色有)

* Contemporary scenario: After collapsing from scrolling your phone late into the night, you decide to escape crude entertainment. You put on noise-cancelling headphones and listen to classical music, or you go to the mountains for a three-day silent retreat, practicing meditation. When the physical soreness fades, you experience an unprecedented focus, clarity, luminosity, and a blissful tingling sensation throughout the body (flow / entering light concentration). * Classical mapping: This state corresponds to the psychological mechanism of "form-existence." You have temporarily escaped the disturbance of the coarse five desires; your consciousness is attached to an extremely subtle, pure object of perception (exquisite form, luminosity, the subtle rhythm of the breath). * Common mapping error: The vast majority of contemporary practitioners and spiritual enthusiasts fall into the trap most easily here — mistaking the purity and comfort of "form-realm concentration" (色界定) for "awakening" or "final liberation." The classics expose this: it is merely "attachment to form and delusion" (色染与愚痴). You have simply walked from a noisy market street into an elegant greenhouse; you have developed a subtle craving for this "sense of purity and refinement." Once your concentration fades, or when life's upheavals strike, you will fall back into coarse suffering — as the scripture says, "one returns again to receive the existences" (还复受诸有).

3. Walking Through Formless-Existence (無色有)

* Contemporary scenario: A deep meditator or philosopher, in an extremely high state, finds bodily sensation completely vanishing; even external scenes and light are no longer seen. Only a boundless sense of space remains, or a pure stream of consciousness, or a mysterious experience of "oneness of all things, neither self nor other." * Classical mapping: This maps to "formless-existence" (the meditative attainments of infinite space, infinite consciousness, etc.). There is no form (the form aggregate is absent), only extremely subtle mental activity. * Common mapping error: People often take this experience of "forgetting the body and merging into cosmic space" as "the ultimate truth of the universe" or "nirvāṇa." The classics declare with finality: this is still "formless defilement" (无色染污)! Deep within this seemingly boundless pure consciousness, there still lurks the subtlest "self-grasping" and craving for that state (the volitional and consciousness aggregates are not extinguished). When the lifespan or karma supporting this deep concentration is exhausted, one must still descend according to the laws of saṃsāra.


Why Contemporary People Need It

Contemporary society is an era supremely skilled at "manufacturing existences (bhava) at every level." We are more able than any previous era to shuttle rapidly between different "existences" — and we consequently bear an unprecedented existential anxiety.

1. Exposing the "spiritual escape" and "concentration-state errors" of the self-help and spirituality age

The contemporary craze for stress relief and meditation has taught many people to use experiences of "form-existence" or "formless-existence" (elegant stillness of mind, sublime states of consciousness) to escape the frustrations of "desire-existence" in ordinary life. In psychology, this phenomenon is called "spiritual bypassing."

The concept of the three existences is like an extremely sharp scalpel: it reminds contemporary people that rising from "desire-existence" to "form-existence / formless-existence" is merely moving from the basement of the prison to the luxurious penthouse. If you do not see the emptiness and stillness of the five aggregates, and do not cultivate the eightfold noble path in daily life, however sublime your meditative experiences may be, they are only temporary "spiritual anesthesia."

2. Reading the "illusory world-building" of the digital age and AI cyberspace

If we use contemporary technology as a comparison (an analogy):

* Algorithmic recommendations and short videos have created an extremely efficient "desire-existence manufacturing machine," endlessly reinforcing your desire-attachment and aversion with low-grade dopamine; * The metaverse, virtual reality (VR), and even the possible future of consciousness uploading closely resemble humanity using technological means to simulate "form-existence" and "formless-existence" within the physical world — attempting to escape the coarse suffering of the physical body and to construct a refined digital spiritual home. * *It must be clearly stated*: modern neuroscience and algorithmic models are merely physical and data-driven response systems; science has not proven the Buddhist six realms of rebirth or the physical existence of heavenly realms. Nevertheless, this technological analogy perfectly demonstrates how the human mind clings to "constructing a higher state of existence" in an attempt to escape suffering. As long as inner delusion and self-grasping remain unsevered, whether you are in a physical body or in cyberspace, you remain bound by impermanence and suffering.

3. Pointing to true "renunciation" — not escape, but "moving within the three existences without being defiled"

Contemporary people bear the heavy burden of work, family, and social responsibility, and often harbor thoughts of "world-weariness and escape." The deepening of the three-existences concept in the *Avataṃsaka Sūtra* (《华严经》) offers contemporary people an extremely lofty life-wisdom:

Bodhisattvas who transcend the three existences do not hide away in remote mountains; rather, they "enter universally into the world without fear" (普入世間無所畏). Having seen that the three existences are like illusions and transformations, empty and still in self-nature, they can move within intense social life and complex interpersonal relationships (moving within the three existences) with "no attachment and no bondage" (無著無縛) and "no defilement" (不染污). This offers contemporary people an ultimate freedom: living fully in the present moment without being imprisoned by it.


Common Misreadings and Clarifications

* Misreading 1: "The three existences (三有) and the three realms (三界) are exactly the same — just a different translation?" * Clarification: Though closely related, the two have clearly distinct meanings. The three realms (desire realm, form realm, formless realm) emphasize the environment and spatial scope in which beings dwell; the three existences (desire-existence, form-existence, formless-existence) emphasize the continuation, activity, and existential state of beings driven by greed, hatred, delusion, and karma within that environment. One is the "site"; the other is "the inertial momentum of life that, on that site, keeps entangling and sprouting due to karma."

* Misreading 2: "As long as I discard bodily sensation through meditation and enter a state of boundless space (the formless concentration), I have attained nirvāṇa?" * Clarification: This is an extremely dangerous misreading. The *Saṃyuktāgama* explicitly states that a practitioner who reaches only the form realm or the formless realm, but "does not understand the realm of cessation, returns again to receive the existences" (不晓了灭界者,还复受诸有). Within the deep concentrations of the formless realm, although there is no gross physical body, subtle mental formations (the volitional aggregate) and subtle self-grasping (the consciousness aggregate) still remain. Only by relying on the eightfold noble path, completely extinguishing all attachment to the five aggregates, and realizing "the realm of the cessation of all formations and all thoughts" (一切诸行一切思想灭界), is there final liberation.

* Misreading 3: "To 'turn away from the three existences' means to hate the real world and cut off all social relationships?" * Clarification: What the classics call "turning away" (厭離) is directed at "defilement-attachment and bondage" (染著与系缚) — the desperate grasping at the five desires and five aggregates — not at generating hatred toward or escaping from the objective world. The *Avataṃsaka Sūtra* points out that the wise who truly break through the three existences do not flee the world; on the contrary, they can "enter universally into the world" (普入世间) and become a "great dharma-pool of the three existences" (三有大法池) to care for and moisten sentient beings. When the mind has no hindrances and is not trapped by desire or meditative states, that is "forever emerging from the three existences" (永出于三有).

Canonical EntryAI-generated

1. 定义与核心要义

「三有」是佛教中用以描述众生在生死轮回中存在状态的核心概念,具体指「欲有、色有、無色有」。在经典中,「三有」常与「三界」(欲界、色界、無色界)相对应,用以指代众生因贪著、愚痴及业力所系缚的三个层次的生命世间。众生若不能了知其空寂,便会深陷于「三有」的生死流转中,遭受无量众苦。

2. 主要阐述

各经从不同角度对「三有」的构成、过患、超越及救度进行了系统阐述: - 三有的具体构成与界域:根据《大寶積經》,「三有」与「三界」的划分紧密相连。其中,「欲界」涵盖地狱、畜生、饿鬼、阿修罗、人,以及四天王天至他化自在天等欲界诸天,众生在此因欲染、瞋恚、愚痴而作业;「色界」包括梵天、梵輔天、梵眾天、大梵天、光天、少光天、無量光天、光音天、淨天、少淨天、無量淨天、遍淨天、果實天、少果天、廣果天、無量果天、無想天、無熱天、無惱天、善見天、好善見天、阿迦膩吒天等,众生在此产生色染与愚痴;「无色界」则包括空處天、識處天、無所有處天、非有想非無想處天,众生在此产生无色染污与愚痴。 - 三有的过患与系缚本质:经典将「三有」比喻为「三有海」、「三有縛」及「三有獄」。其过患在于:第一,遍布诸苦与无常,无论是人道的追求之苦,还是诸天的舍命之苦,皆是「观苦遍三有」,且其果报「一切无常不坚固」;第二,欲界的贪欲会导致身口意三处邪行,令众生现世苦住、身坏命终堕入恶趣;第三,若仅在色界或无色界中,而不认识「灭界」,则无法脱离生死,仍将「还复受诸有」。 - 出离与断除三有的修行路径:要脱离「三有」的束缚,修行者需依循特定的路径:修习「八正道」是断除「三有」的唯一道路;「三出界次第」即「从欲界出至色界,色界出至无色界、一切諸行一切思想滅界」的渐进过程;声闻乘通过「断诸有漏」来「离于三有」,若能「知有空寂」,便能解开三有之因,不为诸结所缚,从而「后能不生有」;此外,对「色、受、想、行、識」五蕴不生染著,是心「永出於三有」的前提,在五欲中做到「無著無縛」,方能「厭離三有」。 - 佛菩萨对三有的超越与救度:在《大方廣佛華嚴經》中,超越三有的圣者与菩萨展现了伟大的救度力量。佛陀的福田具有无上威力,能如「毘藍風普震大地」般震动并感召「三有眾生」走向解脱。菩萨虽已超越三有,但因大悲心而「普入世間無所畏」,化身为「三有大法池」以佛法润泽众生;大乘佛子虽在「三有中行」,却能了知诸法如幻、自性空寂,因而「不染污」,并能「破於三有」以化度众生。

3. 不同部类与译本的表述差异

在不同部类的经典中,对于与「三有」相关的核心术语存在明显的译词与表述差异: - 五蕴的称呼:《雜阿含經》在论及与「有」相关的生命主体时,使用具有古朴特征的「五受陰」(色受陰,受、想、行、識受陰),在描述对过去、现在、未来五阴的观察时,亦使用「色、受、想、行、識」之名;而《大方廣佛華嚴經》则直接使用「色、受、想、行、識」五蕴之称。 - 解脱者与佛陀的尊称:《雜阿含經》中将断除三有的解脱者称为「阿羅漢」,将佛陀尊称为「兩足尊」;而在《大寶積經》中,则多用「声闻」断诸有漏,用「佛子」或「智者」表达破除三有、照见三有的修行者。 - 三有与三界的并用:《雜阿含經》中,舍利弗明确将「有」定义为「三有」,而阿难则提出「三界」或「色界、无色界、灭界」;《大寶積經》则将「三有」的构成直接通过「三界」(欲界、色界、无色界)的具体天界名号进行详细拆解。

4. 与相关概念的关系

- 与「三界」的关系:「三有」与「三界」互为表里。「三界」侧重于众生所依报的世间器界与生存环境(欲界、色界、无色界);而「三有」则侧重于众生在这些界域中因业力而产生的生命存在与流转状态(欲有、色有、无色有)。 - 与「五蕴/五阴」及「五欲」的关系:五蕴与五欲是众生系缚于三有的根源。众生因对「色、受、想、行、識」五阴/五蕴的执著与染著,以及对五欲的束缚,才导致在三有中流转。反之,若能对五蕴不染著、对五欲无著无缚,便是出离三有的关键。 - 与「灭界」的关系:在《雜阿含經》中,「灭界」是超越色界与无色界、彻底断除三有的究竟归宿。修行者若不认识「灭界」,则会「还复受诸有」;只有依「灭界」获得心解脱,才能实现「一切诸行一切思想灭」。

5. 代表性原文引用

- 《雜阿含經》: 1. 「閻浮車問舍利弗:『所謂有者,云何為有?』舍利弗言:『有者,三有。謂欲有、色有、無色有。』」 2. 「若色界、無色界,而不曉了滅界者,還復受諸有。」 3. 「阿羅漢度三有海,畢竟不復生。」 - 《大寶積經》: 1. 「觀苦遍三有,出家求脫此。」 2. 「若能知有空寂,後能不生有。」 - 《大方廣佛華嚴經》: 1. 「觀諸眾生在三有,流轉生死受眾苦。」 2. 「不染著色受想行識,其心永出於三有。」

By SutraAI-generated

入中論善顯密意疏B0044 · 藏傳論典部

《入中論善顯密意疏》通篇採用「三有」一詞,所錄原文並未逐一展開為「欲有、色有、無色有」,亦未分別解說三者的界限與特徵;因此,本經在此概念上的用詞紀錄,應以「三有」為正文中的實際術語,並以其泛指眾生流轉、生死安住及菩薩、佛所現身教化的範圍。

一、三有與生死流轉相連。論中說二地菩薩「不屬生死流轉」,故「非三有生死所攝」;然而又稱其為「三有中之吉祥」,意謂菩薩雖不為三有生死所攝,其圓滿功德仍在三有之中利益眾生。此處同時呈現超出流轉與不離利生兩面。

二、三有被觀察為唯識。論中兩度使用「通達三有唯是識」的固定表述:一處由「不見能取離所取」而說菩薩住於般若,通達唯識真實性;另一處說現前菩薩已現證此義,並以此破除常住之我及作者,了知作者「唯是心」。故本經論三有時,特別以「唯是識」及「唯是心」說明其所通達之義。

三、三有被說為無自性往來、本來無生。論中以生死無初際、無後際,說「三有無去來」,並譬如夢事,指出三有自性遠離,由此引出「無初後際空」。此說不是建立三有的始終,而是否定其自性成立的往來與前後邊際。 又說菩薩慧光能「遍達三有本無生」,如觀掌中菴摩勒果一般明晰;此處本經所用的完整語式是「三有本來自性無生」或頌中的「三有本無生」。

四、三有也是高地菩薩普遍現身的處所。八地菩薩已永滅由煩惱、業力而流轉的生死,獲得十自在,仍能受意生身,「於三有普現身」,在三有一切眾生之前示現種種身。故三有在此並非僅指應斷的流轉,也指菩薩施行救度所遍及的眾生界域。

五、三有亦用於敘述有情過去世的安住與佛的教化。宿住隨念智力所緣,是自他有情從愚癡展轉而來、於過去世「住三有中」的一切生事、因、相貌與處所。 佛則以不動身示現化身「重來三有」,示現降天、出胎、菩提及轉法輪等行相,以大悲心引導為愛索所縛的世間有情趣向涅槃。由此可見,本經以「三有」貫串凡夫流轉、菩薩現身與佛陀教化三種敘述層面。

雜阿含經T0099 · 阿含部

本經對「三有」概念的論述,主要集中於閻浮車與舍利弗的問答段落,並散見於多處偈頌與世尊教說之中。

首先,最直接的定義出自舍利弗之口:「有謂三有——欲有、色有、無色有。」此處明確將「有」界定為欲界、色界、無色界三種存在狀態,並指出斷除此有的道跡為八正道(正見乃至正定)。此段問答同時呈現了與「有」相關的系列術語:先問「有漏」,次問「有」本身,再問「有身」(即五受陰:色受陰乃至識受陰),最後問「苦」與「流」——其中「流」被定義為欲流、有流、見流、無明流四種。由此可見,本經將「有」置於一套完整的緣起觀察語彙中,「三有」是其中對「存在」範疇最具體的分類,而斷除四流與三有之方皆同歸八正道。

其次,「三有」一詞在多首偈頌中以譬喻形式出現,稱為「三有海」與「三有縛」,強調其如大海般深廣、如繩繫般的繫縛性質。舍利弗對大師的禮讚偈中說「令度三有海,畢竟不復生」,證得阿羅漢者則「有離三有縛,如來聖法中,獲得如是利」;另一偈亦云「已度三有海,無復老死患」。這些表述皆以「度越」或「脫離」為語境,凸顯三有作為生死輪迴之核心範疇,須由精勤修行加以超越。

再者,本經更多處使用「諸有」一詞,用以泛指種種存在與輪迴之相續。世尊在多段教說中反覆強調:「當勤方便,斷除諸有,莫令增長,當如是學」[8090、8092、8099、8100、8102、8103],勸勉比丘精進斷除諸有,不令其增長擴大。又如「若得賢聖道,不數受諸有,亦不數生死,不數憂悲苦」、「究竟除眾苦,不復受諸有」、「以見世尊故,能斷除諸愛,度生死彼岸,不復受諸有」,皆說明已得聖道者不再受諸有之流轉。末段聞野狐鳴之經中,世尊告誡比丘「求斷諸有,莫作方便,增長諸有」,以反面警策語重申斷有之必要。

綜合而言,本經論「三有」的特色在於:其一,以「欲有、色有、無色有」三類並列的簡明定義呈現;其二,將「三有」與「有漏」「有身」「四流」並列,展示完整的緣起觀察框架;其三,偈頌中以「三有海」「三有縛」作譬喻,渲染輪迴之深廣與繫縛;其四,散文中廣用「諸有」一詞,與「三有」互補——前者指具體三類之有,後者為泛稱之有。斷除之道,於此經一致指向八正道。

增壹阿含經T0125 · 阿含部

此經論「三有」之核心脈絡,是將「欲有、色有、無色有」置於「四流法」之第二支——「有流」之中以建立之。經文明言:「云何名為有流?所謂有者,三有是也。云何為三?所謂欲有、色有、無色有,是謂名為有流也。」 此即本部對「三有」之直接定義與定位。整段論述以「流」為喻,蓋一切眾生若沒於此四流者,終不得道;此總標之下,方次第開顯四支之相。

一、核心表述:本經以「有流」統攝「三有」,視欲有、色有、無色有三者並列為「有」之全體。經中先設「四流」之總綱——欲流、有流、見流、無明流——指出若一切眾生沉溺於此四種流轉,終究無法得道;隨後才於「有流」項下別釋「三有」之具體內容。可見「三有」在本經並非孤懸之概念,而是繫屬於「流」之喻,用以說明繫縛之深重與輪迴之相續。

二、與「欲流」之對照:本經雖以「欲流」開篇而別立「有流」,二者名稱相近而所指實異。經文明示:「欲流」指五欲——眼見色起眼色想、耳聞聲起識想、鼻嗅香起識想、舌知味起識想、身知細滑起識想——屬於六根對六境之貪染;而「有流」則指三有之生死相續,屬於存在層面之繫縛。前者重在「欲」之貪著,後者重在「有」之流轉,故本經特意分立二支以辨其差。

三、術語形式:本經所用之名為「欲有、色有、無色有」,合稱「三有」,並未逕用「三界」之語。其先列「欲有」,次列「色有」,末列「無色有」,依欲界、色界、無色界之次第而立,與阿含通行之分判一致。然此處以「有」字總攝,而不以「界」字立名,蓋「有」字兼含「存在」與「使有」之兩重義,是本部用詞之特色,亦為本經所立之名相。

四、修行意趣:經文末段強調,若凡夫之人不覺此四流,則不獲休息樂、正覺樂、沙門樂、涅槃樂之四樂。可見知「有流」之三有相狀,乃是趣向涅槃之必要前提;不知不覺,則四樂不可得。又經中與天子往復問答,亦見此義隨所化機而宣說,並非獨為一類根性而設,其言「若凡夫之人不聞此四流者,則不獲四樂」,可知此「有流」之教乃普為凡夫而說。

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