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世事當如行雲流水 seji wa masa ni kōun ryūsui no gotoku su beshi The Affairs of the World Should Be Like Moving Clouds and Flowing Water

世事當如行雲流水, the affairs of the world should be like moving clouds and flowing water: a saying given to the Song scholar Hu Anguo, quoted by Satō Issai in its first eight characters and answered in 言志耋録 (composed 1851).

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Japanese Scroll of The Affairs of the World Should Be Like Moving Clouds and Flowing Water (seji wa masa ni kōun ryūsui no gotoku su beshi) — Calligraphy by Eri Takase
The Affairs of the World Should Be Like Moving Clouds and Flowing Water世事當如行雲流水seji wa masa ni kōun ryūsui no gotoku su beshi

Original art by Master Calligrapher Eri Takase

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Abstract

世事當如行雲流水, the affairs of the world should be like moving clouds and flowing water, is the first half of a saying given to the Song scholar Hu Anguo 胡安國 (1074–1138), whose oldest witness found in CBETA and Chinese Wikisource, the diary of the Ming scholar Wu Yubi 吳與弼 (1391–1469), in an entry set between its year marks for 1457 and 1460, runs on, be at ease wherever one finds oneself; that witness is told in this library's history of 行雲流水 [1][2][3]. The line as brushed is the form in which the Japanese scholar Satō Issai 佐藤一斎 quotes it: in 言志耋録, the last of his four books of reflections, composed in 1851 at about eighty and printed in 1854, he quotes only these eight characters and answers them with eight of his own, 心事當如朗月清風, what is in the heart should be like a bright moon and a clear wind [4][5][6]. A Meiji ethics teaching manual of 1894 printed the two as maxims under two names [7], and a modern Japanese translation reads the line as a rule for going through the world [8]. The reading marks of the 1854 print, issued in Issai's lifetime, give gotoku su beshi, should be made like, where the editions from 1935 read in their search windows mostly give gotoku naru beshi; the history signs the 1854 print's.

Overview

The words. 世事 seji, the affairs of the world: the 日本国語大辞典, under せいじ, gives 世の中の事。世間の俗事。処世のこと, the things of the world, its ordinary business, the conduct of one's life in it, and under せじ, 世間の事。世の中のこと; its note says せいじ was probably the usual reading until the middle ages [9]. 當 masa ni … beshi, should, ought. 如 gotoku, like. 行雲流水 kōun ryūsui, moving clouds and flowing water; the デジタル大辞泉: 物事に執着せず、淡々として自然の成り行きに任せて行動することのたとえ, a figure for acting without attachment, calmly leaving things to take their natural course; the phrase is Su Shi's, and its history is told in this library [10][1]. Word for word: world-affairs ought like moving-cloud flowing-water.

The man who quoted it short. 佐藤一斎 Satō Issai (1772–1859) was head of the school of the Hayashi house (林家の塾頭), taught Zhu Xi's learning there, and privately held to Wang Yangming's; Sources of Japanese Tradition names him head (jukuchō) of the Hayashi college, the Shōheikō, from 1805, under his friend from boyhood, the adopted heir Hayashi Jussai 林述齋 [11]; 言志四録 is the name of his four books of reflections, written from his forty-second year to his eightieth (日本大百科全書) [6]. The 精選版 日本国語大辞典 names the four: 言志録, 言志後録, 言志晩録 and 言志耋録 (てつろく) [6]. The line stands in the fourth.

Forms. 世事當如行雲流水 in the 1854 print and every typeset read; 世事当如行雲流水 in the modern editions [4][12][8]. Kundoku: 世事當ニ如クス行雲流水ノ, the marks of the 1854 print [4]; 世事は當に行雲流水の如くすべし and 世事は当に行雲流水の如くなるべし in the twentieth-century readings (§ The reading).

The historical record

Hu Anguo's saying, in a Ming diary

The saying is given to 胡文定公, Hu Anguo, whose posthumous name was 文定, a scholar of the Song (1074–1138) [3]. Wu Yubi (1391–1469), in his diary, 日錄, quotes it with a second half: 胡文定公云世事當如行雲流水隨所遇而安可也, the affairs of the world should be like moving clouds and flowing water; be at ease wherever one finds oneself, and that will do [1][2]. The diary marks some of its years in the margin, and the entry stands after the mark 丁丑, 1457, and before 庚辰, 1460, with no mark between; since the marks do not always stand at a year's first entry, the entry is of about 1457 to 1460 [2]. This library's history of 行雲流水 tells that witness, Wu Yubi's verse on it and its later Chinese life, and is not retold here [1]. The Qing compilation 明儒言行録 carries the diary's sentence in its third juan [13]. No older witness was found: CBETA has neither the line nor its second half, and Chinese Wikisource, searched for the line and for Hu's name beside 行雲流水, gives only Ming and Qing books (the record's § I7).

1851: Issai quotes its first eight characters and answers them

言志耋録 was composed in 嘉永4 (1851), carries an afterword of 1853, and was printed in 嘉永7 (1854), by the 国書データベース's record of the work [5]. In the print of 1854 (the 北海道大学 copy; the work record dates the print 嘉永7 and lists a few copies under other years), on the folio numbered 十三 and running over to 十四, one article reads [4]:

胡文定云。世事當如行雲流水。余謂心事當如朗月清風。

Hu Wending said: the affairs of the world should be made like moving clouds and flowing water. I say: what is in the heart should be made like a bright moon and a clear wind. The print, issued in Issai's lifetime with 佐藤立軒 as 校字 [4], carries reading marks: 當 marked to be read twice, masa ni … beshi; 如 with クス; 水 and 風 with ノ. So seji masa ni kōun ryūsui no gotoku su beshi, with no wa on 世事 [4]. Issai's quotation ends at 流水. He does not quote be at ease wherever one finds oneself; he sets beside Hu's eight characters eight of his own, 世事 against 心事, the world's affairs against the heart's, clouds and water against the moon and the wind.

The article before it in the same print pairs outer and inner the same way [4]:

心體尚虚。事功尚實。實功虚心。唯賢者能之。

The heart's body prizes emptiness; achievement in affairs prizes substance. Substantial achievement with an empty heart: only the worthy can do it.

The modern editions number the article 109 of 言志耋録 (日本思想大系 46, 1980) [12].

The frame of Issai's answer

The shape of the answer, 心事當如 …, what is in the heart should be like …, was already a maxim. The Ming scholar 薛瑄 (1389–1464), whom the 世界大百科事典 names with Wu Yubi as the representative of early-Ming Zhu Xi learning [14], wrote in his 讀書録: 大丈夫心事當如青天白日使人得而見之可也, what is in a true man's heart should be like the blue sky and the white sun, so that others may see it [15]. The Qing 明儒言行録 carries that sentence in its second juan and Hu's saying, from Wu Yubi, in its third [16][13]. In Japan, 貝原益軒 (1630–1714) quotes 薛瑄's maxim in his 初学知要, in printings of 1884 and 1885 [17], and Meiji ethics books repeat it (the record's § I1, the index). 青天白日 in this sense is in the dictionary: 心にいささかも後ろ暗いところがないこと, a heart with nothing hidden in it (デジタル大辞泉) [18]. Issai does not name 薛瑄. The frame is older than his answer; nothing read says he took it from there.

His image is also an old one, turned round. 清風朗月, a clear wind and a bright moon, is in the 日国 from the 菅家文草 of about 900, with Li Bai's 襄陽歌 as its Chinese source [19]; Li Bai has 清風朗月不用一錢買, the clear wind and the bright moon cost not a single coin (one text has 明月) [20]. Issai writes 朗月清風, the moon first. The デジタル大辞泉 glosses 朗月 明るく澄み渡った月, a bright, clear moon [19].

What Issai could have read

The Japanese print of Wu Yubi's diary, 康齋先生日録, punctuated by 池田草庵, carries a preface of 元治1 (1864) [21], after Issai's death. Its modern facsimile's introduction says the diary was probably excerpted from the print of Wu Yubi's collected works, 康齋先生文集, with a preface of 嘉靖5 (1526), and that the Cabinet Library holds that print and a copy of it made in 寛政8 (1796) by 林述齋 [22], the head of the Hayashi college, who had taken Issai as his disciple [11]. So the text was in Japan, in the Hayashi head's hands, in Issai's lifetime; which book Issai read the saying in, he does not say.

1894: two maxims under two names

A teacher's manual of ethics lessons, 『尋常修身教訓』 of 1894 (its 敎授要畧 and 趣旨 headings show a teaching outline), sets for the lesson on sincerity, 誠實, the aim 心ハ灑落豪爽ニシテ、人ト場合トニヨリテ、阿リ曲グベカラザル所以ヲ、智識感情ニ訴フルニ在リ, to teach, appealing to knowledge and feeling, why the heart should be clear and open and should not bend to flatter whatever the person or the occasion, and as a reference for the introduction [7]:

胡文定云。世事當ニ如クス行雲流水ノ。佐藤一齋曰。心事當ニ如クス朗月清風ノ。

Issai's I say has become 佐藤一齋曰, Satō Issai said: the article is two sayings, each under its own name. This is the oldest witness found in the National Diet Library's full-text index, searched oldest first, in which Hu's half stands as a sentence of its own. 遠山景福's annotated edition of 言志四録, 1898, prints the article whole with the 1854 marks, 如クス, under the running head 言志耋錄 [23]; 井上哲次郎 and 蟹江義丸's 日本倫理彙編, 1901, prints it in its Issai selection [24].

The reading: gotoku su beshi or gotoku naru beshi

The National Diet Library's full-text index, read in its windows, divides the readings by period. 如くすべし: the 1854 print, the 1894 manual and the 1898 edition in their marks [4][7][23]; 幸田露伴's annotated series of 1928 [25]; 大日本思想全集, 1931, which glosses 世事に拘泥しないで、淀むこと勿れ, do not cling to the world's affairs, do not stagnate [26]; and the two scholarly editions, 日本思想大系 46, 1980, and 佐藤一斎全集, 1993 [12][27]. 如くなるべし: 山田準 and 五弓安二郎's edition of 1935 [28]; 小柳司気太's 陽明学派 of 1936, with kana [29]; 加藤咄堂's lecture volume of 1941 [30]; 川上正光's complete translation of 1981 [8]; 久須本文雄's of 1994 [31].

Su beshi makes the line a thing one does: make your handling of the world like clouds and water. Naru beshi makes it a state one comes to. The two translations of naru editions read here in prose, 加藤咄堂's and 川上正光's, read it the first way. 加藤咄堂, who prints 如くなるべし, explains [30]:

宋の大儒の胡文定といふ人——姓は胡、名は安國——の言葉に、世の中のことは變轉して常のないことであるが、それを見ること、行く水や流れる雲の如くせよ、とありますが、しかし自分が考へるのには、心は常に朗かな月、清い風のやうにしなければならないと思ふといふのですが、まことに其の通りです。

In the words of the great Song scholar Hu Wending, the things of the world change and are never constant, but look on them as on flowing water and passing clouds; but Issai thinks the heart must always be kept like a bright moon and a clear wind, and that is exactly so. He ends: この朗かな月、清き風のやうな心をもつてこそ、變遷の世事に對して行く雲や流れる水の如く超然としてゐることが出來ると思ひます, it is, I think, with a heart like this bright moon and clear wind that one can stand aloof, like passing clouds and flowing water, among the changing affairs of the world [30]. 川上正光 translates [8]:

宋の大儒胡文定は「世を渡るには、ただよう雲、流れる水のようにこだわりのないようにするがよい」といった。

The great Song scholar Hu Wending said: "To go through the world, one should be free of attachment, like drifting clouds and flowing water."

The line today

川上正光's 1981 translation makes the line a rule for going through the world, 世を渡るには [8], and 佐藤一斎全集 glosses 行雲流水 何物にも捉われない境地, a state caught by nothing (1993) [27]. The search windows show where it is printed, not how often.

In English

No English rendering of either sentence was found: not on the library's shelf, grepped whole for Hu's and Issai's names and the image, nor in the Internet Archive's full-text index; Robert Cornell Armstrong's chapter on Issai in Light from the East (1914) does not carry it, and the fourteen maxims selected in Sources of Japanese Tradition (2005), numbered up to 31 and taken from four pages of the 1980 edition (NST 46, pp. 10–13), do not include it [11] (the record's § I1, § I4). The English title here is this library's: it is the rendering the history of 行雲流水 gives Hu's sentence [1].

What is not a source, and what is not claimed

A reading

I read the line as Issai's, though the words are Hu's. Wu Yubi has the whole saying, and its second half tells what the clouds and the water are for: be at ease wherever you are [1]. Issai keeps only the half that names the world, and so the line becomes the first term of a pair: the world's affairs, which pass, against the heart's, which should stay clear [4]. 加藤咄堂 heard the pair as one thought, and I think he heard it rightly: the heart like the moon is what lets one meet the world like water [30]. Hung alone, the line is the first half, and it says that one should handle what happens without clinging to it. On the reading I sign the marks of the 1854 print, seji wa masa ni kōun ryūsui no gotoku su beshi, should be made like: they are the only reading the 1854 print, issued in his lifetime, gives, the scholarly editions keep them [12][27], and the editions that print naru still translate it as something one does [30][8]. Wa is not in Issai's marks; every reading read since 1928 gives it, and it is kept [25][8]. Naru beshi is not wrong Japanese, and most of the editions from 1935 read in their windows print it so; it is not the reading the 1854 print gives. Signed, 典.

Notes

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Japanese Scrolls by Master Calligrapher Eri Takase

Japanese Scroll of The Affairs of the World Should Be Like Moving Clouds and Flowing Water (seji wa masa ni kōun ryūsui no gotoku su beshi) in a block font by Master Japanese Calligrapher Eri Takase
世事當如行雲流水VB5JBlock
Japanese Scroll of The Affairs of the World Should Be Like Moving Clouds and Flowing Water (seji wa masa ni kōun ryūsui no gotoku su beshi) in a cursive font by Master Japanese Calligrapher Eri Takase
世事當如行雲流水VC5JCursive
Japanese Scroll of The Affairs of the World Should Be Like Moving Clouds and Flowing Water (seji wa masa ni kōun ryūsui no gotoku su beshi) in Master Japanese Calligrapher Eri Takase's own style (Eri's Choice)
世事當如行雲流水VD5JEri's Choice
Japanese Scroll of The Affairs of the World Should Be Like Moving Clouds and Flowing Water (seji wa masa ni kōun ryūsui no gotoku su beshi) in a semi-cursive font by Master Japanese Calligrapher Eri Takase
世事當如行雲流水VS5JSemi-Cursive

Sources not seen

A reader with access to any of these is invited to write to Takase Studios at Tim@Takase.com.

References

  1. Takase Studios, Philology library, 行雲流水 kōun ryūsui, § The historical record (Wu Yubi's diary, his verse, the 明儒學案). https://takase.com/library/philology/koun-ryusui
  2. 吳與弼, 「日錄」, 『康齋集』 卷十一, 四庫全書本, at Chinese Wikisource, revision 772805 (the entry stands after the marginal year mark 丁丑, 1457, and before 庚辰, 1460). https://zh.wikisource.org/wiki/%E5%BA%B7%E9%BD%8B%E9%9B%86_%28%E5%9B%9B%E5%BA%AB%E5%85%A8%E6%9B%B8%E6%9C%AC%29/%E5%8D%B711
  3. 「胡安国」, 日本大百科全書 (ニッポニカ) and other dictionaries, at kotobank. https://kotobank.jp/word/%E8%83%A1%E5%AE%89%E5%9B%BD-61246
  4. 佐藤一斎, 『言志耋録』, 嘉永7 (1854), 佐藤立軒 校字, 北海道大学附属図書館, canvas 18 (folios 十三ウ–十四オ; the article 心體尚虚 on the same canvas), at the 国書データベース. https://kokusho.nijl.ac.jp/biblio/100239739/18
  5. 「言志耋録」, work record (嘉永四成、同六跋、同七刊), at the 国書データベース. https://kokusho.nijl.ac.jp/work/171788
  6. 「言志四録」, 精選版 日本国語大辞典, 日本大百科全書 (ニッポニカ), ブリタニカ国際大百科事典 and 山川 日本史小辞典, at kotobank. https://kotobank.jp/word/%E8%A8%80%E5%BF%97%E5%9B%9B%E9%8C%B2-60589
  7. 樹徳館, 『尋常修身教訓』, 1894, p. 二九五, National Diet Library pid 757283, scan 161. https://dl.ndl.go.jp/pid/757283/1/161
  8. 佐藤一斎, 『言志四録』, 川上正光 全訳注, 講談社, 1981 (search window only), National Diet Library pid 12284769. https://dl.ndl.go.jp/pid/12284769
  9. 「世事」, 精選版 日本国語大辞典 and デジタル大辞泉, at kotobank. https://kotobank.jp/word/%E4%B8%96%E4%BA%8B-545213
  10. 「行雲流水」, デジタル大辞泉 and 精選版 日本国語大辞典, at kotobank. https://kotobank.jp/word/%E8%A1%8C%E9%9B%B2%E6%B5%81%E6%B0%B4-494056
  11. Wm. Theodore de Bary, Carol Gluck and Arthur E. Tiedemann, compilers, Sources of Japanese Tradition, vol. 2, second edition, Columbia University Press, 2005, ch. 34, Satō Issai (the library's copy, text layer).
  12. 『日本思想大系』 46, 佐藤一斎・大塩中斎, 1980 (search window only), National Diet Library pid 12225199. https://dl.ndl.go.jp/pid/12225199
  13. 沈佳, 『明儒言行録』 卷三 (吳與弼), 四庫全書本, at Chinese Wikisource. https://zh.wikisource.org/wiki/%E6%98%8E%E5%84%92%E8%A8%80%E8%A1%8C%E9%8C%B2_(%E5%9B%9B%E5%BA%AB%E5%85%A8%E6%9B%B8%E6%9C%AC)/%E5%8D%B703
  14. 「薛瑄」, 改訂新版 世界大百科事典, at kotobank. https://kotobank.jp/word/%E8%96%9B%E7%91%84-87299
  15. 薛瑄, 『讀書録』 卷三, 四庫全書本, at Chinese Wikisource. https://zh.wikisource.org/wiki/%E8%AE%80%E6%9B%B8%E9%8C%B2_(%E5%9B%9B%E5%BA%AB%E5%85%A8%E6%9B%B8%E6%9C%AC)/%E5%8D%B703
  16. 沈佳, 『明儒言行録』 卷二 (薛瑄), 四庫全書本, at Chinese Wikisource. https://zh.wikisource.org/wiki/%E6%98%8E%E5%84%92%E8%A8%80%E8%A1%8C%E9%8C%B2_(%E5%9B%9B%E5%BA%AB%E5%85%A8%E6%9B%B8%E6%9C%AC)/%E5%8D%B702
  17. 貝原益軒, 『初学知要』, printed 1884 and 1885 (search windows only), National Diet Library pids 757084 and 757086. https://dl.ndl.go.jp/pid/757084
  18. 「青天白日」, デジタル大辞泉 and 精選版 日本国語大辞典, at kotobank. https://kotobank.jp/word/%E9%9D%92%E5%A4%A9%E7%99%BD%E6%97%A5-545951
  19. 「清風朗月」 and 「朗月」, 精選版 日本国語大辞典, at kotobank. https://kotobank.jp/word/%E6%B8%85%E9%A2%A8%E6%9C%97%E6%9C%88-2054656 · https://kotobank.jp/word/%E6%9C%97%E6%9C%88-662562
  20. 李白, 「襄陽歌」 (全唐詩 卷166), at Chinese Wikisource. https://zh.wikisource.org/wiki/%E8%A5%84%E9%99%BD%E6%AD%8C
  21. 吳與弼, 『康齋先生日録』, 池田緝 (草庵) 點, 序 元治紀元 (1864), CiNii Books BB1595405X. https://ci.nii.ac.jp/ncid/BB1595405X
  22. 長沢規矩也 解題, 『和刻本漢籍随筆集』, 古典研究会 / 汲古書院, 1973, the introduction to 康齋先生日録 (search window only), National Diet Library pid 12574477. https://dl.ndl.go.jp/pid/12574477
  23. 佐藤一斎, 『言志四録』, 遠山景福 (淡哉) 注, 1898, p. 二十, National Diet Library pid 756223, scan 120. https://dl.ndl.go.jp/pid/756223/1/120
  24. 井上哲次郎・蟹江義丸 共編, 『日本倫理彙編』, 1901 (search window only), National Diet Library pid 1913256. https://dl.ndl.go.jp/pid/1913256
  25. 幸田露伴 監脩, 『詳解全譯漢文叢書』, 言志四録, 1928 (search window only), National Diet Library pid 1904219. https://dl.ndl.go.jp/pid/1904219
  26. 『大日本思想全集』, 1931 (search window only), National Diet Library pid 1880209. https://dl.ndl.go.jp/pid/1880209
  27. 『佐藤一斎全集』, 言志四録, 1993 (search window only), National Diet Library pid 13264478. https://dl.ndl.go.jp/pid/13264478
  28. 佐藤一斎, 『言志四録』, 山田準・五弓安二郎 訳, 1935 (search window only), National Diet Library pid 1187003. https://dl.ndl.go.jp/pid/1187003
  29. 小柳司気太 校, 『陽明学派』, 1936 (search window only), National Diet Library pid 1207428. https://dl.ndl.go.jp/pid/1207428
  30. 加藤咄堂, 『修養大講座』 第三巻, 平凡社, 1941, p. 一九五, National Diet Library pid 1039672, scan 103 (colophon scan 200). https://dl.ndl.go.jp/pid/1039672/1/103
  31. 佐藤一斎, 『言志四録 座右版』, 久須本文雄 全訳注, 1994 (search window only), National Diet Library pid 13260100. https://dl.ndl.go.jp/pid/13260100

Authors

Tim Jackowski (Systems Architect, Takase Studios, LLC) · 典 Ten (Anthropic Claude Opus 5.5, Takase Studios, LLC)

AI written · Ten wrote the history. Tim Jackowski commissioned it and answers for it.

Checked · Takase Studios (an address check by script), 2026-10-31, citations — every reference with a web address opened where a script could open it and the quoted words looked for at each; the two rows that differed were right, and both were corrected (the saying is eight characters, not seven; the maxims in Sources of Japanese Tradition are tagged to four pages of the 1980 edition, not to the first book); the leaves a script could not open (the 国書データベース canvases, the dictionary pages, Chinese Wikisource) were opened in the reading · two fresh-context readers (Claude), 2026-10-31, every claim in the page's summary block traced to its source, claim by claim, in two rounds: the first failed on one wrong fact, conceded and fixed (Wu Yubi's diary dated about 1450, where the sources give only the fifteenth century and his life, 1391–1469); the second passed. Each round's wordings were applied, among them: 心事 rendered what is in the heart, not the affairs of the heart; nothing read says Issai made the 1854 print's reading marks, so the signed reading rests on the marks of the print issued in his lifetime; the oldest witness scoped to the corpora searched; 林述齋 the head of the Hayashi college, who had taken Issai as his disciple · two fresh-context readers (Claude), 2026-10-31, on an amendment: Wu Yubi's diary cited at its own address, the entry's place among the diary's year marks checked in the page source, and the renumbered references checked against the text as gated; both passed, and both wordings were applied (the entry is dated between the year marks for 1457 and 1460, since the marks do not always head a year)

Research depth: step 3 of our 10-step ladder, foundation complete · October 2026

Cite as: Tim Jackowski and Ten, "Philology of 世事當如行雲流水 (seji wa masa ni kōun ryūsui no gotoku su beshi)," Takase Studios, 2026, https://takase.com/library/philology/seji-wa-masa-ni-koun-ryusui.