Dharma · AI Companion

正定

samyaksamādhi

八正道中如法专注的禅定。AI-generated

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

A Contemporary ReadingAI-generated

To contemporary friends seeking peace in a world of constant noise, the Buddhist concept of 正定 (*Zhengding* / Right Concentration or Samyak-samādhi) often sounds like an impossible peak to climb. We might picture a serene monk meditating on a snowy mountain, far removed from our overflowing inboxes and vibrating smartphones.

However, in the Buddhist path to liberation, *Zhengding* is not a retreat from reality; it is the ultimate tool for seeing reality clearly. It is the eighth and culminating branch of the Eightfold Path, acting as the sharp blade that, once forged by ethical living and clear understanding, finally cuts through the root of suffering.

Let us explore what this profound concept truly means, far beyond the surface-level idea of "just focusing your mind."

这个概念在说什么 (What is this concept saying)

At its core, *Zhengding* (Right Concentration) is defined in the *Samyukta Agama* (雜阿含經) as a state where the mind is "undisturbed, firm, collected, stilled, one-pointed" (住心不亂、堅固、攝持、寂止、三昧、一心).

But wait—if you are intensely focused on a video game or fixated on a stock chart, your mind is also "one-pointed." Is that Right Concentration? No. The sutras draw very clear boundaries to distinguish *Zhengding* from mere focus or *Xieding* (邪定 / Wrong Concentration):

1. It Does Not Stand Alone (The Prerequisite of the Seven Branches): Right Concentration is the grand finale. The *Madhyama Agama* (中阿含經) states that *Zhengding* requires the previous seven branches (Right View, Right Intention, Right Speech, Right Action, Right Livelihood, Right Effort, and Right Mindfulness) as its "habits, aids, and tools" (習、助、具). Right Effort generates Right Mindfulness, and Right Mindfulness gives birth to Right Concentration. Without the ethical foundation and the wisdom of Right View, intense focus is merely *Xieding*—like a sniper's intense concentration, which only leads to more suffering. 2. Two Levels: Worldly (世俗) and Supramundane (出世間): The sutras divide Right Concentration into two layers. "Worldly Right Concentration" (世俗正定) is wholesome and focused, leading to a good rebirth and a peaceful life, but it is still bound by attachments (有漏、有取). "Supramundane Right Concentration" (出世間正定), however, is untainted. It is the concentration that actively contemplates the Four Noble Truths (Suffering, its Cause, its Cessation, and the Path). It is the laser beam aimed directly at dismantling ignorance. 3. The Classical Metaphors: The Goldsmith and the Great Dragon: To explain how this state is maintained, the sutras offer very precise metaphors. First is the Goldsmith (金師) refining gold. To get perfect concentration, a practitioner cannot just "force the mind to stop." They must skillfully balance three aspects: * *Zhi xiang* (止相 / the aspect of stopping/calming) when the mind is agitated. * *Ju xiang* (舉相 / the aspect of uplifting/energizing) when the mind is sinking into dullness or sleepiness. * *She xiang* (捨相 / the aspect of equanimity) to just observe smoothly when the mind is balanced. If you only practice stopping, you become dull; if you only uplift, you become restless. Second is the Great Dragon (大龍). The *Madhyama Agama* uses the majestic image of a Great Dragon to describe someone who has accomplished *Zhengding*: "walking, standing, sitting, and lying down are all in concentration" (行止俱定,坐定臥亦定). It is not just a posture on a cushion; it is an unwavering, majestic presence in all movements of life. 4. The Mahayana Vision: Equality and Emptiness: In texts like the *Maharatnakuta Sutra* (大寶積經), *Zhengding* is equated with entering the "equal Dharma realm" (正性平等). It is a pure practice where, in deep meditation, one realizes that "one's own body is empty, and all dharmas are also empty" (己身則空諸法亦空). Here, concentration becomes the very space where deep compassion and wisdom operate simultaneously to transform the world.

生活里的走查 (Life Walkthrough)

Let’s bring *Zhengding* into a very familiar contemporary scenario: You are working late, exhausted, and constantly distracted by your phone.

* The Wrong Approach (Force or Checking Out): You tell yourself, "I just need to focus!" You grit your teeth, chug coffee, and stare at the screen. Ten minutes later, your mind rebels, and you find yourself mindlessly doom-scrolling social media for an hour to "numb" the stress. This is the exact opposite of Right Concentration; it is a swing between agitation and dullness. * Applying the Prerequisites: Before concentration can happen, you need Right View and Right Mindfulness. You pause. You observe your tight shoulders and racing heart (Right Mindfulness). You remind yourself that this anxiety is born of clinging to a perfect outcome, which is a source of suffering (Right View). You consciously let go of the unwholesome state of frustration (離惡不善之法). * The Goldsmith’s Tuning: Now, you apply the Goldsmith's three tools. * *Uplifting (舉相):* Your energy is low, and you feel like zoning out. Instead of submitting to sluggishness, you take a deep breath, sit up straight, and gently energize your intention toward the task. * *Stopping (止相):* Suddenly, a panicked thought about tomorrow's meeting arises. You apply the "stopping" aspect—gently returning your attention to the present moment, calming the ripple of anxiety. * *Equanimity (捨相):* You find a rhythm. The work is flowing. You don't get overly excited about it, nor do you grasp at the feeling of productivity. You just let the mind rest in the steady, equal flow of the present reality.

* The Misconception Checked: Many people mapping this scenario think "concentration" means ignoring the fire alarm if it rings. But remember the Great Dragon (大龍). Right Concentration means you are fully present and aware. If your child suddenly cries in the next room, *Zhengding* doesn't mean ignoring them; it means transitioning from sitting at your desk to walking to their room with a mind that remains completely unscattered and compassionate (坐定臥亦定).

当代人为什么需要它 (Why contemporary people need it)

Contemporary life is largely defined by the "Attention Economy." Algorithms are quite literally designed to fracture our minds, monetizing our distractions, anxieties, and outrage. We live in a chronic state of what Buddhism would call scatteredness (亂心).

You might notice parallels between *Zhengding* and contemporary concepts like "Flow State" or neuroscience's study of down-regulating the Default Mode Network (DMN) to reduce rumination. While these scientific models are helpful for understanding brain mechanics, we must be careful not to equate them with Dharma. Science seeks to optimize productivity, reduce stress, or trigger dopamine regulation.

*Zhengding* offers something far deeper: Liberation. We need it not just to be better workers, but to stop suffering. Without the "laser focus" of Right Concentration, all our philosophical understandings of Buddhism (like emptiness or impermanence) remain weak, intellectual ideas. *Zhengding* is the steady hands holding the microscope; without it, the lens is shaking too much for us to truly see the root of our pain and sever it. It is the anchor that prevents us from being swept away by the "currents" (順流道) of worldly desires and fears.

常见误读与澄清 (Common Misreadings and Clarifications)

* Misreading 1: Concentration means making the mind go blank and dead. * *Clarification:* This is a dangerous misunderstanding. A blank, unresponsive mind is akin to being a rock, which is a form of ignorant stagnation. As the sutras emphasize with the Goldsmith metaphor, *Zhengding* requires the dynamic balance of uplifting and stopping. It is not an extinction of awareness; it is a profound, luminous clarity where you clearly see the arising and ceasing of phenomena (knowing suffering, cutting its cause) without being tangled in them. * Misreading 2: Meditation techniques can be practiced in isolation as "mindfulness hacks." * *Clarification:* Right Concentration cannot exist without ethical conduct (Right Action, Right Livelihood) and wisdom (Right View). The *Samyukta Agama* warns that "losing Right Mindfulness means losing Right Concentration," which leads to falling back into worldly defilements. If you meditate for an hour but spend the rest of the day lying, cheating, or harboring intense hatred, you are cultivating *Xieding* (Wrong Concentration). The Eightfold Path is an integrated ecosystem; you cannot harvest the fruit of concentration if the soil of your ethics is poisoned. * Misreading 3: Samadhi is a magical state reserved only for monastics in caves. * *Clarification:* While the deepest states (like the Jhanas) require dedicated practice, the *nature* of *Zhengding* is profoundly practical. The sutras speak of it as a "middle way" (中道) that brings "dwelling, peace, and joy" (心住,得定得樂) on the path to Nirvana. It begins exactly where you are—learning to listen to a friend with "two ears and one mind" (兩耳一心), letting go of anger in traffic, and steadily walking the "flat and right path" (平正路) amidst the chaos of the modern world.

Canonical EntryAI-generated

一、定义与核心要义

「正定」(梵语:samyak-samādhi)是佛教八支圣道(八正道)的最后一支,指修行者心神专注、不乱不散、安住于平等法界的禅定状态。 在《中阿含经》中,正定被定义为圣弟子在思惟四谛或观照善心解脱时,心能达到「住、禅住、顺住,不乱不散,摄止正定」的状态;在禅修层次上,则具体指「离欲、离恶不善之法,至得第四禅成就游」。 《杂阿含经》将正定核心定义为「住心不乱、坚固、摄持、寂止、三昧、一心」,是修行者迈向解脱、断除烦恼的关键。 《大宝积经》则将正定等同于「正三摩地」,定义为「若于正性平等则于一切法平等」;在沙门法中亦指「得一切智知」;又称「正定净行」,即在「定意正受」时,体证己身与诸法平等、空寂。

二、主要阐述

各经从不同角度对正定的分类、修持方法及效益进行了深入阐述: 1. 层次与分类: 《杂阿含经》将正定分为世俗与出世间两类。「世俗正定」属有漏、有取,能引导修行者投生善道;「圣、出世间正定」属无漏、不取,是圣弟子思惟四谛时与无漏思惟相应的心法,能彻底断苦。此外,修行正定有成就者,在《中阿含经》与《杂阿含经》中皆被区分为有学阶段的「学正定」与阿罗汉阶段的「无学正定」。 《大宝积经》则提到如来能决定了知「正定」、「邪定」与「不定」三聚众生,其中「正定众生」堪能趣向涅槃;众生亦因其欲解而种植「邪定种」、「正定种」或「正定解脱种」。 2. 修持方法与因缘: 正定的生起需要多种因缘。在序列上,正定由其余七支圣道辅助成就,即以正见至正念为资具,使「心得一」,称为「圣正定」;经中指出「正方便生正念,正念生正定」,或以「明」为根本,由正见前相,依次引发至正念,最终次第生起正定。 在内外因缘上,修持正定内需「正思惟」以促使正定生起与增广,外赖「善知识、善伴党、善随从」的引导;此外,「两耳一心听法」亦能得正定。在具体禅修中,必须适时调和「止相」、「举相」与「舍相」三相,若偏废其一则无法得定。 3. 修持效益与功能: 正定能断除婬、怒、痴等一切烦恼,令修行者获得心解脱。作为中道,它能令修行者「心住,得定得乐」,进而趣向涅槃,是通往「甘露法」的道路。 在菩萨修行中,正定是速证菩提、不离菩提的核心,能助菩萨成就「定心佛」;菩萨亦能透过「思惟正定」观察众生根机,随宜变现形貌说法,并以此转化、增进处于「邪定」中的众生。

三、不同部类与译本的表述差异

各经在论述正定及相关定境时,使用了具备部派或译经时代特色的术语: - 中阿含经:将正定与「第四禅」直接对接;定境分类中出现「有觉有观定」、「无觉少观定」、「无觉无观定」,以及与四无量心相应的「喜共俱定、乐共俱定、定共俱定、舍共俱定」;并以「大龙」比喻成就者「行止俱定,坐定卧亦定」的常时定境。 - 杂阿含经:将包含正定在内的八圣道称为「前行右路」、「正法、律乘、天乘、婆罗门乘、大乘」、「逆流道」、「沙门法」及「清净道」。与之相对的「邪定」则被斥为「非法」、「非彼岸」与「顺流道」。 - 大宝积经:使用「正三摩地」与正定同义;使用「正定净行」强调随圣行、知断证修四谛的清净行持;使用「定意正受」指平等禅观;并出现了「正定界天子」这一独特名号。

四、与相关概念的关系

- 与八正道其余七支:正定是八正道的终点与总结。它以其余七支为「习、助、具」;正定由正见而来,若无正见则无法产生正定,而失去正定则会产生「乱心」。若修行者「失正念,无正定」,则会流于俗染,无法成就沙门之行。 - 与邪定:正定与邪定相对。起「邪定」会带来非义与痛苦;菩萨成就正定旨在开化、转化邪定众生;如来能如实了知众生属于正定聚、邪定聚或不定聚。 - 与四谛、空性:正定(正定净行)要求在定中知苦、断集、证灭、修道,并体证「己身清净诸法亦净,己身则空诸法亦空」的平等空性,由此进入平等之境而不堕于灭尽。

五、代表性原文引用

- 《中阿含经》:「若有比丘,离欲、离恶不善之法,至得第四禅成就游,是名正定。」 - 《杂阿含经》:「何等为正定?谓住心不乱、坚固、摄持、寂止、三昧、一心。」 - 《大宝积经》:「正三摩地者即是正定。何等正定?若于正性平等则于一切法平等。」

By SutraAI-generated

中阿含經T0026 · 阿含部

《中阿含經》以「正定」為八支聖道之一,常用「八支聖道,正見乃至正定」或「八正道,正見乃至正定」概括全道;可見本經並用「八支聖道」與「八正道」兩種名稱,而此一支則固定稱為「正定」。八支聖道被說為園觀之道、昇進之道、善處之道,也被說為能於現法得究竟、無煩無熱、常住不變,並能令心得住、得定得樂,進而趣向通、覺與涅槃的中道。

本經對正定有兩種直接界說。其一,是聖弟子念苦、習、滅、道,或觀本所作,或學念諸行,或見諸行災患,或見涅槃止息,或無著念觀善心解脫時,心能「住、禪住、順住,不亂不散,攝止正定」,即名正定。此處以心住、不亂、不散及攝止,刻畫正定的安住與收攝性質。

其二,本經明說:「比丘者,離欲、離惡不善之法,至得第四禪成就遊,是謂正定。」因此,本經不只泛稱專注,而以離欲、離惡不善法,次第達至第四禪,作為正定的具體內容。另有經文敘述比丘斷除貪伺、瞋恚、睡眠、調悔與疑等五蓋後,「離欲,離惡不善之法,至得第四禪成就遊」,呈現其修習前提與完成形態。

本經又特別使用「聖正定」一詞,說它「有習、有助,亦復有具」:正見、正志、正語、正業、正命、正方便、正念七支,皆是聖正定之習、助與具;七支善趣向而令心得一,才成聖正定。經文並依次說正見生正志,乃至正念生正定,顯示正定並非孤立的禪修項目,而是由其餘七支扶助、具足的道果性心一境。聖弟子心正定後,能頓盡婬、怒、癡,心得正解脫,並如實知生已盡、梵行已立、所作已辦、不更受有。

在修學次第上,本經稱「學正見至學正定」為學者成就八支;漏盡阿羅訶則成就從無學正見至無學正智的十支。這表明「正定」既是有學八支中的一支,也納入無學聖者所成就的道支體系。

此外,本經常將正定與正念、正智、正慧並列,勸比丘少欲知足、樂住遠離、精勤修習;反面則以「失正念,無正定」形容懈怠、心亂而不修沙門行者。另有「自御得正定」「內心至善定」,以及行、住、坐、臥一切時定的偈頌表述,凸顯自御其心、遠離、精勤與持續安定的側面。

雜阿含經T0099 · 阿含部

《雜阿含經》將「正定」置於八聖道(亦稱「八正道」「八聖道分」)之末,與正見、正志、正語、正業、正命、正方便、正念次第並列;經中用「正志」「正方便」,而非另一些譯本常見的「正思惟」「正精進」,這是本經應予保留的術語形式。

就定義而言,本經說正定為「住心不亂、堅固、攝持、寂止、三昧、一心」;另一段作「心住不亂、不動、攝受、寂止、三昧、一心」。可見其核心表述在於心安住而不散亂、不動搖,受到攝持,達於寂止、三昧與一心。

本經又將正定分為二種:一是「世、俗,有漏、有取,轉向善趣」,以心住不亂、不動、攝受、寂止、三昧、一心為相;二是「聖、出世間,無漏、不取,正盡苦,轉向苦邊」,其特色是聖弟子思惟苦、集、滅、道,與無漏思惟相應而心住不散。此二分法明確區別了趨向善趣的世俗正定與趨向盡苦的出世間正定。

在修習方式上,八聖道各支皆「依遠離、依無欲、依滅、向於捨」,正定亦同;善知識能令未生正定生、已生正定增廣,正思惟亦有同樣的生起與增長作用。反之,不正思惟與惡知識會使正定不生或退失,並令邪定生起、增廣。

本經亦以調心三相說明成就正定的方法:隨時思惟止相、舉相、捨相,不可偏執一相;專取止相會使心下劣,專取舉相會令心掉亂,專取捨相則不得正定。三相隨時調節,如金師以火、灑水與暫捨調鍊生金,才能使心正定而盡諸有漏。

就道果關係而言,正見能依次引生其餘道支,直至正定;正定起後,聖弟子得以正解脫貪欲、瞋恚、愚癡,進而得正知見,了知生盡、梵行立、所作已作、不受後有。本經因此稱八聖道為斷愛欲、得甘露、調伏煩惱軍及趣向涅槃之道;又說多修正定能斷貪欲、瞋恚、愚癡,以一切煩惱永斷為「無上清淨」。

此外,正定在本經中不僅是禪定技術,也是「正法」「善法」「白法」「勝法」「無罪法」的一支,與「邪定」相對;應離斷邪定而修正定,因修正定能得義饒益與安樂。成就包含正定在內的八聖道者名為沙門,其「沙門義」則是貪、瞋、癡及一切煩惱永斷。

增壹阿含經T0125 · 阿含部

《增壹阿含經》對「正定」(八正道中如法專注之禪定)的論述,主要在八正道的脈絡中展開,作為趨向涅槃之道的第八支。

一、術語形式:正定與正三昧並行 本經對此一支的稱呼並不統一。卷中多處使用「正三昧」一詞:世尊在《二法品》中列舉二法時云「邪三昧、正三昧」;在「燭明之法」中亦云「正見、正治、正語、正業、正命、正方便、正念、正三昧」;舍利弗解釋「處中之道」時同樣使用「正三昧」;佛陀自述往昔經歷時亦言「正見、正治、正語、正業、正命、正方便、正念、正三昧」。然而在另兩處經文中,則直接使用「正定」一詞:其一為「趣泥犁之路,向涅槃之道」的開示中,明言「邪定趣泥犁之路,正定向涅槃之道」;其二為「木為水所漂」的譬喻中,言「涅槃者,正見、正治、正語、正業、正命、正方便、正念、正定是涅槃之原本」。可知本經中「正定」與「正三昧」二名並用,義指相同,這是本經在術語上的顯著特徵。

二、以正邪相對的形式呈現 本經在多處將「正定/正三昧」與「邪定/邪三昧」並列為一對,呈現正邪二分的結構。世尊先說「邪見、正見」乃至「邪三昧、正三昧」一對對之法,並云「如來所應為者,今已周訖」;在「趣泥犁之路」的開示中,更明確指出「邪定趣泥犁之路,正定向涅槃之道」,將正邪二定的趣向直接對立起來,邪定墮於泥犁(地獄),正定則向於涅槃。

三、作為賢聖八品道之第八支 本經在數處經文中,將「正定/正三昧」列為「賢聖八品道」的組成之一。舍利弗回答比丘所問「處中之道」時說:「所謂賢聖八品道是,所謂正見、正治、正語、正行、正命、正方便、正念、正三昧。是謂諸賢處中之道,眼生、智生、諸縛休息,得至涅槃」。佛陀在自述往昔因行神足而思惟時亦云:「要當乘賢聖八品之徑路,然後乃得盡生死邊際。彼云何名為乘賢聖八品之徑路?所謂正見、正治、正語、正業、正命、正方便、正念、正三昧」,並謂過去恒沙諸佛及將來諸佛皆依此八品道而得盡世界之邊際。

四、以譬喻明正定為涅槃之根本 在「木為水所漂」的譬喻中,佛陀以木隨水流終至於海,比況比丘修行「不著此岸、不著彼岸、不中沒、不腐敗」便當「漸漸至涅槃處」;而所謂涅槃處之原本即是「正見、正治、正語、正業、正命、正方便、正念、正定」。此處以「正定」作為涅槃之根本,與「正三昧」之用法相通。

五、其他術語特點 值得注意者,本經在列舉八正道之支時,常以「正治」代替通行的「正思惟」或「正志」;舍利弗語中並出現「正行」,而其他段落多作「正業」。此亦為本經術語之一特徵。

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