Dharma · AI Companion

疑網

vicikitsā-jāla

疑惑交织如网而障碍正见。AI-generated

Type Mental factorDifficulty IntroductoryTruth-level span outside the four-fold two-truths frameworkInitial AI estimate · evolves with use

A Contemporary ReadingAI-generated

What This Concept Is Saying

In Buddhist philosophy, particularly in the *Mahāratnakūṭa Sūtra* (*Dabaoji jing* 大寶積經), the "Net of Doubt" (*yíwǎng* 疑網; Sanskrit: *vicikitsā-jāla*) refers to the dense, interconnected web of spiritual hesitation, perplexity, and cognitive paralysis caused by sentient beings’ inability to grasp the Tathāgata’s "secret teachings" (*mìmì jiào* 祕密教) or "secret words" (*mìmì yǔ* 祕密語).

To understand the Net of Doubt, one must first understand what makes it a "net" (*jāla* 網). It is not merely asking a rational question or lacking information. Rather, it is an existential entrapment born from human conceptual thought (*vikalpa*) colliding with ultimate truth (*paramārtha-satya*). When faced with profound Buddhist paradoxes, the untrained mind attempts to resolve them using conventional, dualistic logic. As a result, it falls into "distorted conceptualization" or "perverted grasping" (*yìwàng qǔ* 異妄取)—clinging to one extreme, overthinking, and becoming thoroughly entangled in a self-constructed labyrinth of skepticism.

1. The Paradoxical Engine of the Net

The Mahāyāna scriptures detail how the Buddha's teachings intentionally employ paradox to shatter conventional attachments. When sentient beings encounter these seemingly contradictory pairs of teachings, their failure to understand the underlying intention (*abhiprāya*) causes the Net of Doubt to drop over them. Key classical pairs include:

* Prophecy vs. Emptiness: The Buddha grants prophecies of future Buddhahood (*shòujì* 授記), yet simultaneously teaches that all phenomena are empty and devoid of self-nature (*kōngjì lí zìxìng* 空寂離自性). * Unborn Nature vs. Generating the Bodhi-Mind: The Sūtras declare that all dharmas are originally unborn (*wú yǒu shēng* 無有生), yet urge practitioners to generate the mind of awakening (*fā pútí xīn* 發菩提心). * No Extinction vs. Appearance of Death: The Sūtras teach that absolute cessation or death cannot ultimately be found (*miè bùkě dé* 滅不可得), yet the Buddha demonstrates physical death (*yǒu sǐ* 有死). * Illusion vs. Celestial Rebirth: The teachings state that all phenomena are like magical illusions (*yóurú huàn* 猶如幻), yet affirm that virtuous deeds lead to heavenly rebirth (*shēng tiān zhōng* 生天中). * No Reliance vs. Relying on Spiritual Friends: The Dharma preaches being self-reliant and unattached (*wú suǒ yī* 無所依), yet instructs practitioners to rely earnestly on spiritual mentors (*yī shànzhīshí* 依善知識). * Intrinsic Emptiness vs. Contemplating Emptiness: The Sūtras reveal that nature is naturally empty (*xìng zì kōng* 性自空), yet prescribe the active practice of contemplating emptiness to achieve liberation (*guān kōng dé jiětuō* 觀空得解脫). * No Doer vs. Karma and Rebirth: The Buddha teaches that there is no solid agent or doer (*wú yǒu zuòyè zhě* 無有作業者), yet warns that the realms of existence are driven strictly by karmic deeds (*yóu zuòyè* 由作業). * Unaccumulative Merit vs. Practicing for Enlightenment: The teachings state that ultimate wholesome karma cannot be gathered like worldly wealth (*shànyè wú kě jí* 善業無可集), yet demand rigorous practice to attain Buddhahood (*xiūxíng dé pútí* 修行得菩提).

When the mind tries to fit these profound truths into an "either/or" framework, it gets trapped. It asks: *If there is no self, who creates karma? If everything is an illusion, why bother practicing?* Failing to reconcile ultimate reality (*paramārtha*) with conventional reality (*saṃvṛti*), the mind falls into the Net.

2. The Great Damage: Doubt as Indolence and Polarization

The *Mahāratnakūṭa Sūtra* sternly warns that "doubt causes great damage to Bodhisattvas" (*yíhuò yǔ zhū pútísà wéi dà sǔnhài* 疑惑與諸菩薩為大損害). It identifies several fatal features of the Net of Doubt:

* **Entrapment in Intellectualization (*Xúnsì* 尋伺):** The trapped person constantly engages in speculative thinking and conceptual discursive analysis (*xúnsì* 尋伺). They analyze endlessly without engaging in transformative action. * **Fixation on Extremes (*Zhù yú yībiān* 住在於一邊):** Inability to hold the middle way causes the doubter to settle into one-sided views—either nihilism (*everything is empty, so nothing matters*) or eternalism (*clinging to rigid dogmas*). * **Slandering the Path (*Fǐbàng yú zhèngdào* 誹謗於正道):** Frustrated by their own confusion, the doubter eventually turns cynical, dismissing the genuine path of liberation as contradictory or nonsensical. * **Doubt as Ultimate Sloth/Indolence (*Xièdài xīn* 懈怠心):** Crucially, the Sūtra reveals that this type of pervasive doubt is not an exercise in sharp intellectual rigor; it is fundamentally an expression of spiritual laziness (*xièdài xīn* 懈怠心). It is the mind’s defense mechanism to avoid the uncomfortable, grueling work of actual practice and ego-surrender. * **Erosion of Wholesome Roots (*Shàngēn* 善根):** Doubt prevents joy (*xīnlè* 欣樂) in wholesome deeds, blinding the practitioner and causing them to lose direction (*xīn mǐ sìfāng* 心迷四方) when trying to escape error.

3. How the Net Is Destroyed

In the liberation path, breaking through the Net of Doubt requires a multi-faceted approach:

1. **Faith Born of Hearing the Teaching (*Wénfǎ shēngxìn* 聞法生信): Listening to the supreme Dharma with a receptive heart inspires joy, which naturally loosens the tight weaves of doubt. 2. Relying on the Ultimate Doubts-Cutter (*Wúshàng duànyí zhě* 無上斷疑者):** The Buddha is termed the "Ultimate Destroyer of Doubts" because he possesses absolute non-doubt (*yú yīqiè fǎ wú yǒu shǎo yíhuò* 於一切法無有少疑惑). The Tathāgata cuts through doubts precisely because he intimately understands the spiritual dispositions (*jiè* 界), aspirations (*yàoqī* 要期), companions (*yǒu* 友), and karmic affinities (*xiāngyìng* 相應) of every individual sentient being. 3. **Inquiry (*Qǐngwèn* 請問): Actively questioning authentic teachers to clarify specific sticking points rather than stewing in private speculation. 4. Actual Practice (*Néngxíng zhě zhīfǎ* 能行者知法):** "He who can practice knows the Dharma." Direct experiential engagement (*xiūxíng* 修行) dissolves the illusions created by abstract conceptualization. Truth is verified on the cushion and in daily life, not in pure debate.


A Walk-Through in Modern Life

To see how the Net of Doubt operates today, let us examine a typical modern journey through career, relationships, and contemporary mindfulness practice.

Scene 1: The Productivity Paradox and Cynical Paralysis

Imagine a modern professional who reads a Buddhist book on non-attachment (*wúzhóu* 無執) and emptiness (*kōng* 空) while working in a high-stress corporate job.

* The Conceptual Trap: They encounter the teaching: "All conditioned phenomena are impermanent and devoid of inherent self." They contrast this with their company’s demand to set quarterly goals and build a career. * The Net Descends: They begin to rationalize: *"If my personal identity is an illusion and my career is empty, why am I making slides for this project? Why should I care about my team’s performance?"* * **Distorted Grasping (*Yìwàng qǔ*):** Instead of realizing that emptiness means *interdependence*—which actually calls for compassionate, responsible engagement in conventional reality—they fall into nihilistic doubt. They stop putting effort into their work, treat colleagues with detached apathy, and sit at their desk intellectualizing (*xúnsì* 尋伺). * Classical Mapping: This is precisely what the Sūtra calls "dwelling on one side" (*zhù yú yībiān* 住在於一邊) and converting doubt into "spiritual sloth" (*xièdài xīn* 懈怠心). They use pseudo-Dharma logic to justify passive avoidance.

Scene 2: Relationships and the "No-Self" Dilemma

Consider someone in a long-term relationship trying to apply the teaching of "non-reliance" (*wú suǒ yī* 無所依) alongside the mandate to rely on spiritual friends and practice loving-kindness.

* The Conceptual Trap: The Buddha says: "Be an island unto yourself; rely on nothing." Yet he also says: "Cultivate boundless loving-kindness toward all beings and cherish spiritual companions." * The Net Descends: The practitioner gets confused: *"Should I remain emotionally distant from my partner to maintain 'non-attachment'? Or should I be deeply committed and vulnerable? If I commit, am I violating the teaching of non-reliance?"* * The Outgrowth of Cynicism: Unable to resolve this logically, they freeze. They refuse to commit to the relationship fully, nor do they cultivate genuine compassion. They harbor quiet doubts about the validity of Buddhist ethics, concluding, *"These teachings are contradictory and impractical for modern life."* * Classical Mapping: They have fallen into the Net of Doubt by failing to see that non-reliance means freedom from needy ego-clinging, while loving-kindness is the uninhibited flow of care. Unable to bridge the two, they "slander the path" (*fǐbàng yú zhèngdào*) as contradictory.

Scene 3: The Algorithmic Loop and the Practice Solution

The practitioner spends hours scrolling through podcasts, forums, and AI search engines asking: *"Is Theravada better than Zen? Is Secular Buddhism valid? How can karma exist if quantum physics says X?"*

* The Mistake: They substitute endless digital consumption and theoretical debate for meditation practice. They doubt every method before spending ten minutes sitting with it. * The Breakthrough: One day, exhausted by mental noise, they sit down and simply observe their breath for thirty minutes. In that quietude, they watch a stressful thought arise, label it, and let it pass. They experience firsthand how clinging creates suffering, and how letting go brings immediate peace. * Classical Mapping: The moment they engage in actual practice, "he who can practice knows the Dharma" (*néngxíng zhě zhīfǎ* 能行者知法). The abstract Net of Doubt unravels not because every intellectual question was answered by a computer, but because direct experience bypassed the conceptual trap altogether.


Why Contemporary People Need This Concept

Contemporary culture is arguably the greatest generator of the Net of Doubt in human history. We live in an era characterized by hyper-information, algorithmic fragmentation, and endless cognitive choices.

1. The Trap of Endless "Research" as Spiritual Sloth

In the modern world, we often confuse *consuming information* with *living insight*. We read ten books on meditation, compare three different traditions, analyze the neuroscience of mindfulness, and debate theories online—yet we never establish a daily twenty-minute practice. The concept of the Net of Doubt exposes this trap: excessive theoretical analysis (*xúnsì*) without practice is not intellectual sophistication; it is a sophisticated form of procrastination (*xièdài xīn*). It feels like progress, but it keeps us safely inside our comfort zone, preventing genuine internal transformation.

2. Navigating the Post-Modern Paradox

Modern thinkers are frequently paralyzed by binary thinking. We struggle to reconcile science and spirituality, absolute truth and relative ethics, individual autonomy and community responsibility. The Net of Doubt illuminates *why* we feel so paralyzed: we attempt to resolve multi-dimensional, non-dual realities using flat, binary logic. Learning to recognize the Net helps us step back from rigid "either/or" fallacies and embrace the nuanced, complementary nature of relative and ultimate truths.

3. AI, Cognitive Overload, and the Limits of Science

We can draw a productive analogy between the Net of Doubt and modern artificial intelligence or cognitive science.

* The Analogy: Large Language Models and algorithmic networks function much like a conceptual Net of Doubt. They can generate infinite arguments for and against any spiritual proposition, endlessly presenting paradoxical viewpoints without ever experiencing peace or wisdom. Similarly, neuroscience can map the neural correlates of meditation (e.g., quieted default mode networks), yet cognitive science remains embroiled in the "hard problem of consciousness"—unable to definitively prove how subjective experience arises from matter. * The Limitation: While science and AI are invaluable tools for clarifying conventional empirical phenomena, they cannot "break the Net" of existential doubt. Science operates by isolating variables in the objectified, external world; liberation requires transforming the subjective, clinging mind itself. mistaking scientific data about meditation for the actual liberation of heart-mind is just another way of getting caught in the Net.


Common Misreadings and Clarifications

1. "Doubt in Buddhism is always bad; Buddhism demands blind, unquestioning faith."

* Clarification: This is a fundamental misunderstanding. Buddhism explicitly encourages healthy inquiry, investigation (*dhamma-vicaya* 擇法), and rational questioning. The Buddha’s famed *Kālāma Sūtra* instructs practitioners not to believe anything merely based on tradition or authority. * The Distinction: The *Net of Doubt* (*vicikitsā-jāla*) does not refer to constructive, open-minded questioning aimed at learning. It refers to a specific state of mental paralysis—a cyclical, cynical, and speculative obsession (*xúnsì*) that clings to conceptual extremes (*zhù yú yībiān*), rejects practice, and acts as a cover for laziness (*xièdài xīn*). Healthy doubt seeks truth through practice; the Net of Doubt seeks excuses to avoid practice.

2. "The Buddha's teachings are contradictory, so it's only logical to be confused."

* Clarification: The Buddha’s teachings seem contradictory only when stripped of their context and pedagogical intent (*upāya* 方便, skillful means). * The Distinction: When the Buddha speaks of "karma and rebirth," he is speaking from the perspective of conventional truth (*saṃvṛti-satya*), instructing beings on how to navigate the law of cause and effect. When he speaks of "emptiness and non-arising," he is pointing directly to ultimate truth (*paramārtha-satya*), dismantling ego-attachment. The teachings are not conflicting propositions on the same level; they are tailored medicine for specific illnesses. Falling into the Net happens when we treat pedagogical tools as absolute, rigid dogmas.

3. "If everything is empty, I don't need to practice or follow moral guidelines."

* Clarification: This is one of the most dangerous traps within the Net of Doubt, historically known as "nihilistic emptiness" (*è kōng* 惡空). * The Distinction: As the *Mahāratnakūṭa Sūtra* notes, the Buddha teaches both "intrinsic emptiness" and "the necessity of collecting virtuous roots through practice." Emptiness does not mean non-existence; it means that phenomena exist dependently. Because cause and effect are empty of fixed inherent nature, karma actually works! Claiming that "emptiness" excuses one from ethical practice is a classic symptom of "dwelling on one side" (*zhù yú yībiān*), misinterpreting a liberating truth as a license for moral passivity.

4. "I can intellectualize my way out of the Net of Doubt if I just read enough commentary."

* Clarification: Conceptual thought cannot cure the disease of conceptual thought. * The Distinction: The Sūtra makes it clear: "He who can practice knows the Dharma" (*néngxíng zhě zhīfǎ* 能行者知法). While studying scripture (*wén*) and reflection (*sī*) are vital initial steps, the Net of Doubt is ultimately destroyed through direct meditative cultivation (*xiū*) and relying on authentic spiritual teachers (*shànzhīshí*). You cannot learn to swim by reading a manual on fluid dynamics; you must step into the water. Direct realization (*anubhava*) cuts through the net that the thinking mind spun in the first place.

Canonical EntryAI-generated

一、定义与核心要义

在《大宝积经》(宝积部·《大寶積經》)中,「疑网(vicikitsā-jāla)」或「疑惑」被描述为阻碍修行、损害菩萨法命的巨大障碍。其核心要义在于,众生因无法理解如来深妙的教法,在看似矛盾的法义中产生「异妄取」,从而如同被罗网罩住一般,深陷怀疑的泥潭。这种疑惑本质上是一种「懈怠心」,不仅使修行者远离善根、诽谤正道,更使其无法证得菩提。唯有通过听闻正法生起敬信、向无上断疑者如来请问,并付诸实际修行,方能彻底摧毁疑网,通达法义。

二、主要阐述

《大宝积经》对「疑网」的论述主要体现在以下三个维度:

1. 疑惑的危害与表现

经中指出,疑惑对修行者具有极大的破坏性,明确提到「疑惑与诸菩萨为大损害」。心怀疑惑的人会「常起寻伺,住在于一边,诽谤于正道」,因而「不可得菩提」;这种怀疑本质上是一种「懈怠心」,而非菩提之相。多疑之人「疑一切,诸佛及声闻」,他们不付诸实践却妄想获得贤圣诸佛之法。此外,远离殊胜善根、不生欣乐且不能修习善法的人,在出离过失时会心迷四方;反之,若能「五百岁无疑惑」,便能供养无量诸佛并种植无边善根。

2. 疑网的具体内容(众生的疑惑之处)

经中详细列举了众生因不解如来「秘密教」或「秘密语」而产生的种种具体疑惑,这些疑惑构成了笼罩大众的「疑网」。众生的疑惑主要源于对佛陀看似矛盾之教法的无法理解,包括:既说「授记」复言「空寂离自性」;既说「无有生」复说「发菩提心」;既言「灭不可得」复说「有死」;既说诸法「犹如幻」又显示「生天中」;既说「无所依」又说「依善知识」;既说「性自空」又教导「观空得解脱」;既言「无有作业者」又说诸趣「由作业」;既言「善业无可集」又说「修行得菩提」等。这些矛盾使众生在法别义中产生「异妄取」,从而深陷疑网。

3. 如何断除疑网

经中强调,唯有佛陀与正法能够彻底摧毁疑网:首先是闻法生信,听闻无上正法能使心生欢喜,从而「能断众疑网」,对佛法生起敬信者方能远离诸疑网;其次是仰赖如来的无疑与断疑能力,佛陀「于一切法无有少疑惑」,是「无上断疑者」,能「永断他疑网」,其断疑能力源于其决定悉知众生的界、要期、友及相应;最后是实践与请问,修行者应当向佛陀请问以决疑网,同时「能行者知法」,通过实际修行通达法义,亦能在法中除疑惑。

三、不同部类与译本的表述差异

在《大宝积经》(唐译本)中,对于此概念的表述存在细微的语境差异。例如,在描述众生因不解佛陀深意而生疑时,经中交替使用了「秘密教」与「秘密语」。在指代怀疑这一障碍时,有时侧重于其如网般缠缚的特征而称之为「疑网」,有时则直接称其为「疑惑」。此外,在消除怀疑的表述上,经中使用了「决疑网」、「断众疑网」、「永断他疑网」以及「除疑惑」等多种说法,分别从修行者主动请问、听闻正法、如来慈悲救度以及自身实践等不同维度进行了描绘。

四、与相关概念的关系

1. 与「菩提心/菩提」的关系:疑惑是证得菩提的最大障碍。心怀疑惑、常起寻伺者「不可得菩提」,且这种怀疑本质上是「懈怠心」,与「菩提之相」完全相背。 2. 与「善根」的关系:疑惑会导致修行者远离殊胜善根,无法对善法产生欣乐与修习;相反,若能做到「无疑惑」,则是积累无边善根、供养诸佛的必要前提。 3. 与「秘密教/秘密语」的关系:如来的「秘密教」或「秘密语」是引发众生疑网的客观因缘(因众生不解其意而产生异妄取),而理解并敬信这些教法则是破除疑网的关键。 4. 与「行(修行/能行)」的关系:多疑之人往往「不付诸实践」却妄想得法;而「能行者知法」,实际修行是除疑惑的有效途径。

五、代表性原文引用

1. 关于疑惑的危害:「疑惑与诸菩萨为大损害」;「常起寻伺,住在于一边,诽谤于正道,以是因缘不可得菩提……此是懈怠心,非菩提之相。」 2. 关于疑网的具体内容:「不解如来秘密教故……既说授记复言空寂离自性,既说无有生复说发菩提心……」 3. 关于断除疑网:「能行者知法,于法中除疑惑。」;「如来于一切法无有少疑惑,为无上断疑者。」;「决定悉知众生界、要期、友及相应,以是因缘能永断他疑网。」

By SutraAI-generated

大寶積經T0310 · 寶積部

《大寶積經》以「疑網」一詞形容眾生心中疑惑重重交織、互相牽纏而如羅網之相,視此為障礙正見、阻斷慧解的關鍵所在。經文從多個側面揭示此概念的內涵與對治,以下分述其要。

一、眾生為疑網所纏之相。當世尊現微笑時,大眾因不解其因緣,遂為疑惑所籠罩:「今見世尊微笑已,大眾皆悉為疑網,一切願聞微笑義,唯願大悲斷眾疑」。此處以「疑網」描述眾人心中疑念交織纏結,皆欲離此疑惑、得聞正說。又如:「今有百千拘胝眾,現住牟尼世尊前,攝耳專注樂聽聞,願世間依愍眾說」,顯示大眾攝耳專注,正是因陷於疑網而亟求解脫之相。

二、如來具備究竟斷疑網之功德。偈頌讚佛云:「佛能永斷他疑網,於一切法自無疑,八音暢宣微妙法,善拔眾生憂毒箭」。此句明確指出,佛一方面能「永斷他疑網」,另一方面於一切法「自無疑」,並以八音暢宣微妙法義,拔除眾生憂惱之毒箭。又偈云:「能斷眾生諸有疑,憐愍世間利益者」,亦從「斷疑」之德凸顯佛陀慈悲利世之功用。此外,「願佛速說此因緣,斷除眾生諸疑網」,進一步說明佛之一切示現皆有其因緣,目的即在令眾生離諸疑網。

三、敬信佛法為離疑網之關鍵。偈頌問道:「誰於佛法生敬信?能得離於諸疑網?佛知眾生深信已,人天勝者故現笑」。此處將「敬信佛法」與「離諸疑網」直接連結,揭示由信而入、由斷疑而得究竟法益的途徑;而佛之現笑,正是因為知道眾生已具深信、能離疑惑之網,故而施以加持說法。

四、斷疑網乃佛陀說法度眾的核心功能。佛告妙慧時即言:「今恣汝問。當為解說,令斷疑網」。此句最為簡明地點出,佛陀允許弟子隨機發問、隨緣開示,其根本目的即是「令斷疑網」,使眾生去除內心交織之疑惑,獲得正解與法益。

總結而言,《大寶積經》以「疑網」為核心術語,描述眾生疑惑重重、交織如網之相,並凸顯如來「於一切法自無疑」而「能永斷他疑網」之功德。經中一方面強調眾生墮於疑網之苦、亟求解脫,另一方面則揭示佛陀透過說法開示、令斷疑網,使眾生得離疑惑、與正法相應。「疑網」一詞貫穿全經,無論在描述眾生心相、讚歎佛德、勸發敬信,還是宣示說法旨趣,皆以此語反覆揭示疑惑纏縛之患與究竟斷除之道。

大般涅槃經(南本)T0375 · 涅槃部

《大般涅槃經(南本)》以「疑網」為疑惑交織、遮礙正見而有待斷除的狀態。經初藉大眾勸請佛暫住,直言願佛「於此大眾中,斷我諸疑網」,顯示「疑網」可作眾疑總稱,並以佛之教示為解除疑惑的因緣。

本經又以「三疑」具體說明疑惑的根本內容,即疑聲聞、緣覺、佛乘究竟為有為無;聽聞此經,三疑得以「永滅無餘」。經中並稱,書寫、讀誦、為他廣說及思惟其義,能了知一切眾生悉有佛性,將聞持、解義與斷疑相連。

疑網所攝並不限於三乘之有無。本經列舉常與無常、樂與不樂、淨與不淨、我與無我、有與無、苦集道滅及其否定、法與非法、善與非善、空與非空等成對疑問;又問色、受、想、行、識是我或非我,究竟由眼或我能見、由識或我能知,何者受報、何者至他世,以及生死有始終或無始終。此處本經直接逐一使用「色、受、想、行、識」,未在所引文段中另以「五蘊」或「五陰」統稱,這是其具體用詞形式。

疑惑亦涉及一闡提、犯四重禁、作五逆罪及謗方等經者有無佛性,以及世間有邊無邊、十方世界有無。經文總結,聽聞此經能永斷如是諸疑,名為「能斷疑惑之心、慧心正直無邪曲者」;反之,「心若有疑則所見不正」。凡夫乃至聲聞、辟支佛若不得聞此經,其見仍可能邪曲;經中特別列出於有漏中見常、樂、我、淨,反於如來見無常、苦、不淨、無我,以及有見、斷見等,說明疑心與邪曲之見相連。

本經對疑另有獨特辨析:對佛境界中的諍訟生疑,尚能摧壞如須彌山般的無量煩惱;若未究明便生決定,反名「執著」。所謂執著,是從他聞、自尋經或受人教導後,於所著之事不能放捨;此執著不善,正因其不能摧壞諸疑網。面對「本自不疑」的反問,佛更說「夫不疑者,即是疑也」,指出未經明了而固執不疑,仍屬疑著。

然而,本經並不把一切確定之見都判為疑。關於須陀洹不墮三惡,經稱可名為「定」,不得名疑。疑之所以生,是先見相近的兩物而心不能了別,如夜間遙見杌根,不知是人是樹;其核心原因是「心不了故」。眾生疑涅槃,亦因已見苦與非苦,而疑是否有畢竟遠離苦惱之事;疑濁水深淺,也因曾於他處見過深淺而對未行之處不能明了。

經末又把「疑即是著,著即是疑」特指斷善根者。此類人雖聰明利根,卻因遠離善友、不聽正法、不善思惟、不如法住,而推論施無果報、無因無果,遂能斷善根。由此,疑網不只是猶豫不決,也包括因不善思惟而固著於否定因果的見解;斷疑所要求的,正是離開不了與執著,使慧心正直而所見不邪曲。

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