战国 战国 · 文 Prose
两小儿辩日
The Two Children Argue About the Sun
孔子东游，见两小儿辩斗，问其故。
一儿曰：我以日始出时去人近，而日中时远也。
一儿以日初出远，而日中时近也。
一儿曰：日初出大如车盖，及日中则如盘盂，此不为远者小而近者大乎？
One child said: 'I hold that the sun is near to us when it first rises, and far when it is at midday.'
The other held that it is far at sunrise and near at midday.
One child said: 'At sunrise the sun is as large as a carriage canopy, but by midday it is like a tray or a bowl—does this not show that what is far appears small and what is near appears large?'
Meaning
Two boys quarrel over whether the sun is nearer at sunrise or at noon, each citing everyday evidence—one the sun's apparent size, the other its apparent distance. When even Confucius cannot decide, the children laugh at his claimed omniscience. The fable teaches that the scope of knowledge is finite while the workings of the universe are boundless, and celebrates the child's spirit of observation and doubt.
孔子到东方游历，看见两个小孩在激烈地争辩，就问他们争辩的原因。一个小孩说：「我认为太阳刚出来时离人近，而正午时离人远。」另一个小孩认为太阳刚出来时离人远，而正午时离人近。一个小孩说：「太阳刚出来时大得像车盖，到了正午就像盘盂，这不是远的小而近的大吗？」
Appreciation
[Plain Paraphrase] A short fable from the Liezi: Confucius, traveling east, comes upon two children in furious debate and asks why. One insists the rising sun is near and the midday sun far; the other reverses the claim. The first supports his view by the sun's size—vast as a carriage canopy at dawn, tiny as a tray at noon; the second relies on felt temperature. Confucius cannot resolve it, and the children mock his reputation for knowing all. [Structure] The piece is built in three crisp movements: an opening that sets the scene in twelve characters ('Confucius traveled east… asked the reason'), a middle that stages the two irreconcilable arguments, and an ending that drops the sage into silence and lets the children's retort ring out. The问答 form drives the whole. [Imagery] Contrast and rhetorical反问 supply the energy. The two proofs—visual size versus tactile warmth—are both logical yet contradict, forming an unresolvable antimony. 'Who says you know much?' lands like a hammer, turning the master into the questioned. Childlike wonder and philosophical depth sit side by side, making this a model of 寓庄于谐.
【白话串讲】 列子写《两小儿辩日》：孔子东游，遇见两个小孩争论太阳。一个说：“日始出时去人近，而日中时远”。另一个说：“日初出远，而日中时近”。一个说：“日初出大如车盖，及日中则如盘盂”——一个说：“日初出沧沧凉凉，及其日中如探汤”——“孔子不能决也”——两小儿笑：“孰为汝多知乎？”——连孔子也答不上来。 【意象与手法】 全文以「两小儿辩斗—孔子问故—各执一说—各举一证」的紧凑结构，写出一次完整的论辩；以对比与反诘立论，语言简洁明快，童真与哲理并存 【情感与主旨】 本文借两小儿辩日之典，阐发「知无涯而生有涯」的道理：即使如孔子般的圣人亦有所不知，宇宙的奥秘无穷无尽，不应以「多知」自诩；同时赞美儿童善于观察、敢于质疑的求索精神 【名句点睛】 「日初出大如车盖，及日中则如盘盂，此不为远者小而近者大乎」的立论之句千古传诵；「孰为汝多知乎」更成「圣人有知」的千古一问
Background
The Two Children Argue About the Sun is selected from the Tangwen chapter of the Liezi. The Liezi is traditionally attributed to Lie Yukou of the Warring States state of Zheng, though the extant eight chapters are generally held to be a Daoist compilation from the Warring States through the Western Han. It preserves many fables and myths—'The Foolish Old Man Removes the Mountains,' 'The Worrier of Qi,' and this one among them. The Tangwen chapter debates the infinity of the cosmos, and the boys' dispute belongs to its inquiry into the sun's distance. Setting the story in Confucius' eastward travels reflects the Warring States 儒道相争 context: Daoists often used the Confucian sage to question the claim that the sage knows all. Scientifically, the tale touches the ancient astronomical puzzle of the sun's apparent size and distance, echoed later in Greece; intellectually it reveals an early Chinese empirical, observation-based mindset.
《两小儿辩日》选自《列子·汤问》。《列子》旧题战国郑人列御寇撰，今本八篇，一般认为系战国至西汉间道家学者依托整理而成，其中保存了大量寓言与神话传说，「愚公移山」「杞人忧天」「两小儿辩日」皆出其书。列子之学近于庄子而更重「贵虚」，主张顺其自然、不事智巧；《汤问》篇本以问答形式讨论宇宙万物的无穷无尽，两小儿辩日即其中关于「日之远近」的著名寓言。孔子东游的故事背景，反映了战国时期「儒道相争」的思想语境：道家常借孔子形象阐明自家学说，「两小儿难孔子」正是以日常经验质疑儒家「圣人无所不知」的观念。从科学史看，此寓言触及太阳视大小与视远近这一古老的天文难题，古希腊亦有类似辩题；从思想史看，它体现了中国古代「重观察、重实证」的经验主义萌芽，两小儿各据视觉（大小）与触觉（冷热）立论，正是一种朴素的科学论证。《列子》寓言多借「仲尼」「孔丘」等儒者形象立说，正见战国道儒相争的思想背景。
Art
This is among the most finely structured fables in the Liezi, winning by a 'two dilemmas opposed' debating architecture. The essay divides into three layers. The first lays the premise: 'Confucius traveled east, saw two children in debate, asked the reason'—twelve characters deliver the cause, 'debate' (辩斗) signals the heat, 'asked the reason' shows the sage's humility. The middle unfolds the argument: one child argues near-at-dawn/far-at-noon, the other reverses it, then each offers proof—the first from visual size (canopy vs. tray), the second from felt warmth (cool vs. hot). Both rest on daily experience, both are logical, yet their conclusions oppose, an irreconcilable antinomy. The close lands with 'Confucius could not decide,' then the children's 'Who says you know much?'—a sudden full stop with endless aftertaste. The whole advances through question and answer, plain as speech yet charged with drama: phenomenon contradicts, argument clashes, the sage is embarrassed. It is the very model of 'winning with less.'
本文是《列子》寓言中结构最精巧的篇章之一，艺术上以「两难并立」的论辩结构取胜。全文分三层：首层交代缘起，「孔子东游，见两小儿辩斗，问其故」十二字写尽起因，「辩斗」二字点出争辩之激烈，「问其故」写出孔子的谦逊；中层展开论辩，一儿以「日始出时去人近，而日中时远」立论，一儿以「日初出远，而日中时近」反诘，继而各举一证——前者据「大如车盖」「如盘盂」的视觉大小，后者据「沧沧凉凉」「如探汤」的触觉冷暖，两套论证皆依日常经验、皆合乎逻辑而结论相反，构成不可调和的「二律背反」；末层以「孔子不能决也」收束，再以两小儿「孰为汝多知乎」的反问点睛，戛然而止，余味无穷。全文以问答推进，语言简洁如话，无一处铺张，却把「现象矛盾—论证冲突—圣人受窘」的戏剧性写得张力十足，是「以少胜多」的寓言典范。此篇以小儿之口言大人之理，童趣与哲思并存，读来既觉天真烂漫，又觉意味深长，是寓言「寓庄于谐」的典范。
Allusions
The allusion carries meaning on three levels. Scientifically, it touches the relation of the sun's apparent size to its real distance: the larger morning sun and smaller noon sun are illusions of horizon reference and atmospheric refraction; the cooler morning and hotter noon come from direct versus oblique radiation, not distance. Each boy clings to one end, exposing the limit of 'judging physics by the senses,' hinting a naive skepticism that seeing is not believing. Philosophically, the tale embodies the Daoist ideas of 'equalizing things' (齐物) and 'discarding knowledge' (去知): Confucius 'cannot decide' confirms Zhuangzi's 'life is finite, knowledge infinite'; the boys' laugh dissolves the Confucian notion that the sage knows all. Culturally, for two thousand years 'arguing about the sun' has become shorthand for 'each holding his own, none prevailing,' while its honesty—'to know what you know and know what you do not'—and its humility of endless learning were later appropriated by Confucians as a lesson in inquiry, showing the fable's renewable life across traditions.
「两小儿辩日」的典故内涵深远，可从三层面解读。其一，就科学层面言，它触及太阳「视大小」与「实际远近」的关系：晨日大而午日小，是视觉参照（地平线物象）与大气折射造成的错觉；晨凉午热，是太阳直射与斜射之别，而非距离之变。两小儿各执一端，恰好暴露了「以感官经验断物理」的局限，蕴含「眼见未必为实」的朴素怀疑论。其二，就哲学层面言，此典是道家「齐物」「去知」思想的形象化：孔子「不能决」，正印证《庄子·养生主》「吾生也有涯，而知也无涯」之论，圣人之知有限，而万物之理无穷；两小儿之笑问「孰为汝多知乎」，正是对儒家「圣人无所不知」观念的消解。其三，就文化层面言，此典流传两千余年，「辩日」成为「各执一词、莫衷一是」的代名词，而其背后「知之为知之，不知为不知」的诚实，与「学无止境」的谦逊，又被后世儒家化用为求知态度的教材，体现了寓言在不同思想传统中被反复阐释的生命力。
Commentary
Among the most widely influential Chinese fables, its value stays fresh. In the history of science it records a genuine 'near or far' debate debated by scholars from Zhang Zhan of Jin to Shen Kui of Song; modern science shows both boys were partly right and partly wrong—the morning largeness is illusion, the noon heat is angle—making it a classic case of 'observation versus inference' in science education. In philosophy it questions authority with 'the sage cannot decide,' echoing Zhuangzi's 'pursuing the infinite with the finite,' a key source of Chinese skepticism and relativism. In education, Confucius' candid 'cannot decide' and the children's boldness in not deferring to authority have been praised as models of 求实: Zhu Xi used it to inspire 'investigating things,' Wang Yangming cited it for 'conscience not from hearing.' Today's readers smile at the children's wit and are moved by the sage's honest 'to know what one knows.' A fable under two hundred characters holding scientific, philosophical, and educational worth proves the depth of its thought and the refinement of its art.
《两小儿辩日》是中国古代寓言中影响最广的篇章之一，其价值历久弥新。科学史上，它记录了一个真实的「日远日近」之辩，历代学者如晋代张湛、唐代李淳风、宋代沈括皆曾论及；现代科学证明，晨日视大是错觉、午时更热是辐射角度所致，两小儿其实「各有其理」又「各有所蔽」，此典遂成为科学教育中「观察与推理」的经典案例。哲学史上，它以「圣人不能决」质疑权威，与《庄子》「以有涯随无涯」相呼应，是中国怀疑论与相对主义思想的重要源头。教育史上，「孔子不能决」的坦然与两小儿「不迷信权威、勇于立论」的精神，被历代论者赞为「求实」的典范：宋代朱熹即以此启发「格物致知」，明代王阳明亦尝引此说「良知不由闻见」。今人读之，既为儿童的智慧与勇气会心，也为圣人「知之为知之」的诚实所感——一个两千年前的寓言，至今仍是科学精神与人文精神的鲜活教材。一篇不足二百字的寓言而能兼具科学、哲学、教育三重价值，足见其思力之深与艺术之精。
Prosody
Line by line
孔子东游，见两小儿辩斗，问其故。
Confucius traveled east and, seeing two children locked in heated argument, asked them the reason.
孔子到东方游历，看见两个小孩在激烈地争辩，就问他们争辩的原因。
Confucius, traveling in the east, saw two small boys hotly debating; he asked what it was about.
开篇十二字，看似平常，实则字字有机关。「孔子东游」将儒家圣人置于「游历」的旅途之中，为后文「不能决」的窘境埋下伏笔——圣人亦有行路之时、亦有未达之境；「见两小儿辩斗」的「辩斗」二字，写出争辩的激烈程度，「斗」字尤妙，将口舌之争写得如角力一般，凸显两个孩童争胜不让的认真；「问其故」三字写孔子的主动求问，一个「问」字见其谦逊——以圣人之尊而俯身问于小儿，正是「不耻下问」的写照，也为后文「不能决」的坦然作了铺垫。全句以「游—见—问」三个动作一线贯穿，叙事干净利落，把圣人、小儿、辩题三方一同推出，戏剧张力由此启动；而结尾「孰为汝多知乎」的诘问，正与开篇的「问」遥相呼应，一问一答之间，主客位置悄然颠倒。
The opening twelve characters, seeming plain, yet each word a device. 'Confucius was traveling east' placing the sage of the Confucians on a journey, priming the later predicament of 'could not decide' - the sage too has his road, his un-reached ground; 'he saw two boys arguing' the word 'arguing' the heat of the debate, the word 'wrestling' especially fine, writing a war of words as a trial of strength, showing the two children's earnest contest; 'he asked the reason' Confucius' active question, the word 'asked' his humility - the sage, stooping to ask the boys, the very picture of 'not being ashamed to ask below,' priming the later calm acceptance of 'could not decide.' The whole line threading three actions 'traveling - saw - asked,' the narrative clean, pushing out the sage, the boys, the question at once, the dramatic tension started; and the closing 'who says you are the wise one?' answers the opening 'asked' from afar, question and answer between, the host and guest reversed unawares.
一儿曰：日初出大如车盖，及日中则如盘盂，此不为远者小而近者大乎？
One child said: 'At sunrise the sun is as large as a carriage canopy, but by midday it is like a tray or a bowl—does this not show that what is far appears small and what is near appears large?'
一个小孩说：「太阳刚出来时大得像车盖，到了正午就像盘盂，这不是远的小而近的大吗？」
One boy said: 'At dawn the sun is as big as a carriage canopy; by noon it is like a bowl or dish. Is this not the near one looking large and the far one small?'
这是两小儿论辩的第一个论据，也是全文最精彩的立论之一。「大如车盖」与「如盘盂」以日常器物设喻，把太阳的大小变化写得具体可感：清晨旭日如车盖般宏大，正午烈日如盘盂般缩小，这是人人可见的视觉经验；「此不为远者小而近者大乎」以反诘句收束，推出「晨日近、午日远」的结论，论证过程完整而自信——前提（视觉大小）—推理（近大远小）—结论（晨近日远），一气呵成。「车盖」「盘盂」二喻尤见匠心，皆为孩童生活中习见之物，信手拈来而贴切无比，写出儿童以经验立论的纯真与机敏；反诘句式更添辩才，读来如闻其声。此论证与另一儿「近热远凉」的论证构成不可调和的矛盾，恰是全文「两难并立」结构的支柱。
This is the first argument of the two boys, one of the liveliest premises in the whole. 'As big as a carriage canopy' and 'like a bowl' setting the sun's size in household objects, making the change palpable: dawn's sun vast as a canopy, noon's sun shrunk to a bowl, the visual experience any eye can see; 'Is this not the near being large and the far small?' closing in rhetorical question, concluding 'dawn near, noon far' - the argument complete and confident: premise (visual size) - reasoning (near large, far small) - conclusion (dawn near, noon far), one breath. The two metaphors 'carriage canopy' and 'bowl' especially crafted, both things common to a child's life, taken up at a touch and apt, writing the children's innocence and quickness in arguing from experience; the rhetorical question adding eloquence, the voice as if heard. This argument, set against the other's 'near hot, far cool,' forms an irreconcilable contradiction, the pillar of the whole's 'two dilemmas standing' structure.
一儿以日初出远，而日中时近也。
The other held that the sun is far at sunrise and near at midday.
另一个小孩认为太阳刚出来时离人远，而正午时离人近。
The other boy argued that the sun is far at sunrise and near at midday.
这是第二个小孩的观点，与第一个小孩「日始出时去人近，而日中时远」的论断恰好相反，构成全篇论辩的正面交锋。「一儿以」三字省略了「曰」，语气简峭，与前文「一儿曰」句式相错，写出两儿抢着发言、针锋相对的场面；「日初出远，而日中时近」以「初出—日中」的时间对举与「远—近」的空间对举，与首儿之说字字相对、句句相反，如两军列阵，各不相让。此句妙在不急于立论，而先亮出相反的判断，把「矛盾」悬在半空，为下文双方各举证据（一儿以「车盖盘盂」之大小立说）留下悬念。两儿各执一词而皆有观察依据，正说明仅凭感性经验难以定夺是非——这一「相反相成」的论辩结构，正是全篇「孔子不能决」结局的必然铺垫，也暗示了「知识有限而物理无穷」的主题。
This is the second boy's view, exactly opposite the first's 'at sunrise near, at noon far,' the whole's direct clash. 'The other boy held' three words omitting 'said,' the tone terse, set against the earlier 'one boy said,' writing the two boys vying to speak, pitted against each other; 'at sunrise far, and at noon near' the time pairing 'sunrise - noon' and the space pairing 'far - near,' word by word opposite the first, like two armies drawn up, neither yielding. The line's genius lies in not hurrying to argue, but first showing the opposite judgment, hanging the 'contradiction' in midair, leaving the suspense for each side's evidence below (one boy by the 'canopy and bowl' size). The two boys each holding to a word, each with observation, showing that sensory experience alone cannot settle right and wrong - this 'opposite yet complementary' debate structure is the necessary prime for the whole's 'Confucius could not decide' ending, and hints the theme of 'knowledge bounded, physics boundless.'
Study
Word focus
Related Reading
The Fish of the Northern Ocean (Zhuangzi's Free and Easy Wandering) opens with the giant Kun and Peng to teach that 'small knowledge does not reach great knowledge.' The Two Children use the sun's distance to show even the sage cannot decide daily physics. Both Daoist fables argue from the finitude of knowing: Zhuangzi expands with the Peng's freedom toward 'the perfect man has no self'; Liezi reveals with children's query that 'knowing much is nothing to boast of.' Zhuang's prose is vast and imaginative, Lie's terse and inward—two voices of Daoist 'discarding knowledge.'
《北冥有鱼》（《庄子·逍遥游》）开篇即写「鲲之大，不知其几千里也；化而为鸟，其名为鹏」，以鲲鹏之巨与蜩鸠之小对比，阐发「小知不及大知，小年不及大年」的相对之理；《两小儿辩日》以「日之远近」的争论，写圣人对日常物理亦不能决。二文同属道家寓言，同以「知有涯」立论：庄子以大鹏之逍遥开示「至人无己」的境界，列子以小儿之辩难揭示「多知不足恃」的道理；庄文汪洋恣肆、想象奇伟，列文简洁明快、机锋内敛。合观可见道家「去知」思想的两种表达：一以雄辩拓开境界，一以诘问消解权威，皆指向「道不可知、知不可恃」的哲学核心。
逍遥游 Free and Easy Wandering 庄子 · 同属《列子》《庄子》一系的道家寓言，同疑圣人权威 Both belong to the Zhuangzi/Liezi Daoist fable lineage and both doubt the sage's authority.Free and Easy Wandering argues that even Liezi 'riding the wind' is still 'dependent,' transcending intellect and fame; The Two Children has Confucius laughed at for 'not deciding,' likewise dissolving the sage's epistemic authority. Both pre-Qin Daoist texts take 'the sage knows not, can do not' as their theme but differ in bent: Wandering stresses transcending 'realm' (no-self, no-merit, no-name); the Sun debate stresses the 'limit of cognition' (do not pride yourself on knowing much). Read together they show two tones of the Daoist 'equalizing-things' thought.
《逍遥游》中「故夫知效一官，行比一乡，德合一君，而征一国者，其自视也亦若此矣」，以宋荣子、列子尚且「犹有所待」为喻，指出即便是「列子御风而行」亦未达逍遥之境，对智识与功名皆持超越态度；《两小儿辩日》以孔子「不能决」受小儿之笑，同样消解了圣人的知识权威。二文同出先秦道家，同以「圣人有所不知、有所不能」为论题，而取向有别：《逍遥游》重「境界」之超越，教人「无己无功无名」；《辩日》重「认知」之局限，教人「不以多知自矜」。庄文以寓言套寓言、层层升进，列文以一事一议、一击而中，二者合观，正可见道家「齐物论」思想在两部典籍中的不同音色。
学弈 Learning to Play Go 孟子 · 同为以小儿/学艺设喻的经典寓言，一辩知一劝学 Both are classic fables using a child / learning scene as analogy—one debates knowledge, one urges study.Learning to Play Go (Mencius) tells of a teacher whose one pupil concentrates while the other's mind wanders to a swan, using go-playing to teach that learning needs focus; The Two Children uses boys debating the sun to teach the limits of knowing. Both pre-Qin fables use everyday tiny matters as analogy but differ in purpose: Mencius 'urges learning' (the cause of failure lies in oneself, not talent); Liezi 'discards knowledge' (two views stand, the sage doubts). In narrative art, Go uses contrast for success/failure; the Sun uses parallelism for dilemma. Both show the common fashion of 'fable for reason' among the Hundred Schools.
《学弈》（《孟子·告子上》）写弈秋教二人弈棋，「其一人专心致志，惟弈秋之为听；一人虽听之，一心以为有鸿鹄将至」，以学弈喻学习贵在专心；《两小儿辩日》以两童辩日为喻，写认知之有限。二文同为以日常小事设喻的先秦寓言，而旨趣迥异：孟子意在「劝学」，以专心与分心对比，教人「弗若之矣」的原因在己而不在智；列子意在「去知」，以两说并立、圣人难决，教人勿恃多知。就叙事艺术言，《学弈》以对比写成败，层次清晰；《辩日》以并立写两难，机锋相抗。合观可见先秦诸子「寓言说理」的普遍风尚：儒家取象于学、道家取象于辩，皆以小儿之事寄深刻之理，正见寓言文学的普遍生命力。