"The less confident you are, the more serious you have to act."

- タラ・プログマン
- Tara Ploughman

"The condition of man is already close to satiety and arrogance, and there is danger of destruction of everything in existence."

- a Brahmin to Onesicritus, 327 BC, reported in Strabo's Geography

"Change breaks the brittle."

- ジャン・ホーテマ
- Jan Houtema


The sons of Hermes love to play,
And only do their best when they
Are told they oughtn't;
Apollo's children never shrink
From boring jobs but have to think
Their work important.

- W・H・オーデン、リラの下で
- W. H. Auden, Under Which Lyre

"Programs must be written for people to read, and only incidentally for machines to execute."

- エーベルソン&サスマン、SICP、第一版の序文
- Abelson & Sussman, SICP, preface to the first edition

"That language is an instrument of human reason, and not merely a medium for the expression of thought, is a truth generally admitted."

- ジョージ・ブール、アイバーソンのチューリング受賞講演からの引用
- George Boole, quoted in Iverson's Turing Award Lecture

"Short words are best and the old words when short are best of all."

- ウィルソン・チャーチル
- Winston Churchill

"Many big people were chasing me. I didn't know what to do. So I thought I would surprise them and throw it."

- Garo Yepremian, Miami placekicker, after a disastrous attempt to throw a pass in the Super Bowl.

"That book is good in vain which the reader throws away. He only is the master who keeps the mind in pleasing captivity; whose pages are perused with eagerness, and in hope of new pleasure are perused again; and whose conclusion is perceived with an eye of sorrow, such as the traveller casts upon departing day."

- ジョンソン「Lives of the Poets: Dryden」
- Johnson, Lives of the Poets: Dryden

"Don't worry about what anybody else is going to do. The best way to predict the future is to invent it."

- アラン・ケイ
- Alan Kay

"But the audience is right. They're always, always right. You hear directors complain that the advertising was lousy, the distribution is no good, the date was wrong to open the film. I don't believe that. The audience is never wrong. Never."

- ウィリアム・フリードキン、NYTインタビューで
- William Friedkin, in a NYT interview

"Dealing with failure is easy: Work hard to improve. Success is also easy to handle: You've solved the wrong problem. Work hard to improve."

- アラン・パリス
- Alan Perlis

"Frankly, I don't think you could have driven a needle up my sphincter using a sledgehammer."

- Col. Barry Horne, F-117 pilot, on first mission over Baghdad

"Two centuries later a most clear-sighted historian of the Second Crusade can find space in a short narrative to record on many occasions the flattery, perjury, perfidy, blasphemy, heresy, arrogance, servility, deceit, pride, cunning and infidelity of the Greeks."

- R.W.サザン、「中世の製作」
- R. W. Southern, The Making of the Middle Ages

"The imagination of nature is far, far greater than the imagination of man."

- リチャード・ファインマン
- Richard Feynman

"The greatest dangers to liberty lurk in insidious encroachment by men of zeal, well-meaning but without understanding."
- Brandeis

"People who read Cosmopolitan magazine are very different from those who do not."

- ドナルド・ベリー、統計学者、「ベイズ統計の展望」
- Donald Berry, Statistics: A Bayesian Perspective

"The art of handling university students is to make oneself appear, and this almost ostentatiously, to be treating them as adults...."

- アーノルド・トインビー「経験」
- Arnold Toynbee, Experiences

"Americans spend an average of four hours a day watching TV, an hour of that enduring ads. That adds up to an astounding 10% of total leisure time; at current rates, a typical viewer fritters away three years of his life getting bombarded with commercials."

- スコット・ウーリー、フォーブス誌
- Scott Woolley, Forbes

"The best writing is rewriting."

- E. B. ホワイト
- E. B. White

"Modern invention has been a great leveller. A machine may operate far more quickly than a political or economic measure to abolish privilege and wipe out the distinctions of class or finance."

- アイヴォー・ブラウン イギリスの中心
- Ivor Brown, The Heart of England

"If our goal is to write poetry, the only way we are likely to be any good is to try to be as great as the best."

- ドナルド・ホール「詩と野心」
- Donald Hall, Poetry and Ambition

"I am annoyed to find myself continually described by people whom I have never set eyes on as bad-tempered."

- イーヴリン・ウォー(1947年12月26日の日記から)
- Evelyn Waugh, Diary (26 Dec 47)

"Premature optimization is the root of all evil (or at least most of it) in programming."

- ドナルド・クヌース
- Donald Knuth

"In France those absurd perversions of the art of war which covered themselves under the name of chivalry were more omnipotent than in any other country of Europe. The strength of the armies of Philip and John of Valois was composed of a fiery and undisciplined aristocracy which imagined itself to be the most efficient military force in the world, but which was in reality little removed from an armed mob."

- C. W. C. オマン「中世の戦争技術」
- C. W. C. Oman, The Art of War in the Middle Ages

"The public should always be wondering how it is possible to give so much for the money."

- ヘンリー・フォード
- Henry Ford

"None ever wished it longer than it is."

- Johnson on Paradise Lost

"Many large and high class greengrocers of my acquaintance have never heard of the Golden Wonder potato."

- ロイ・ジェンダー「グルメのための野菜」
- Roy Genders, Vegetables for the Epicure

The best lack all conviction, while the worst
Are full of passionate intensity.

- イェーツ
- Yeats, The Second Coming

"We act as though comfort and luxury were the chief requirements of life, when all that we need to make us happy is something to be enthusiastic about."

- アインシュタイン
- Einstein

"The path from good to evil goes through bogus."

- タラ・プラウマン
- Tara Ploughman

"Lisp has jokingly been called "the most intelligent way to misuse a computer". I think that description is a great compliment because it transmits the full flavor of liberation: it has assisted a number of our most gifted fellow humans in thinking previously impossible thoughts."

- エドガー・ダイクストラ, Communications of the ACM, 15:10
- Edsger Dijkstra, CACM, 15:10

"Many who burnt heretics in the ordinary way of their business were otherwise excellent people."

- G.M.トレヴェリヤン「歴史のバイアス」
- G. M. Trevelyan, "Bias in History"

"He became an object of ridicule in 1993 when a paper published an intercepted phone call in which he told his lover Camilla Parker Bowles he wanted to be reincarnated as her tampon."

- チャールズ王子に関するロイターの記事
- Reuters story, on Prince Charles

"We're even wrong about which mistakes we're making."

- カール・ウィンフィールド
- Carl Winfeld

"From this place she sent into the world those novels, which by many have been placed on the same shelf as the works of a D'Arblay and an Edgeworth."

- ヘンリー・オースティンが「説得」の序文で姉のジェーン・オースティンについて
- Henry Austen on his sister Jane, in a preface to Persuasion

"The key to performance is elegance, not battalions of special cases."

- ジョン・ベントリーとダグ・マキロイ
- Jon Bentley and Doug McIlroy

"The economic depression that struck Europe in the fourteenth century was followed ultimately by economic and technological recovery. But the depression we have moved into will have no end. We can anticipate centuries of decline and exhaustion."

- ジーン・ギンペル「中世の機械」1975年
- Jean Gimpel, The Medieval Machine, 1975

"Politics is not the art of the possible. It consists in choosing between the disastrous and the unpalatable."

- J. K. ガルブレイス、1962年のケネディ宛の手紙から
- J. K. Galbraith, Letter to Kennedy, 1962

"A typical dinner from the ape menu would be tofu bake with ratatouille of aubergine, onions and sweet peppers, with pearled barley and vegetable side dishes, says the team."

- New Scientist誌
- New Scientist

"Guy Steele leads a small team of researchers in Burlington, Massachusetts, who are taking on an enormous challenge-- create a programming language better than Java."

- Sun.Com (強調は引用者によるもの)
- Sun.Com (my italics)

"I had my own reactions to Paul's essay-- on the whole I liked it but when I connected some dots I found some suggestions of things I strongly disliked-- not so much in the essay as suggested by it."

- 「口にできないこと」のブログでのコメント
- reaction to What You Can't Say in a blog

"Your twenties are always an apprenticeship, but you don't always know what for."

- ジャン・ホーテマ
- Jan Houtema

"In addition, the board rewrote the definition of science, so that it is no longer limited to the search for natural explanations of phenomena."

- AP story on Kansas Board of Education

"A danger sign that fellow-obsessionals will at once recognize is the tendency to regard the happiest moments of your life as those that occur when someone who has an appointment to see you is prevented from coming."

- ピーター・メダワー、「Memoirs of a Thinking Radish」
- Peter Medawar, Memoirs of a Thinking Radish

"Never offer what you'd hate someone for accepting."

- タラ・プラウマン
- Tara Ploughman

"The pagans were incensed at the rashness of a recent and obscure sect, which presumed to accuse their countrymen of error, and to devote their ancestors to eternal misery."

- ギボン「ローマ帝国の衰退と滅亡」
- Gibbon, The Decline and Fall of the Roman Empire

"Simultaneously reifying and challenging hegemonic codes of race, class, gender and regional or national identity, his characters explore the complex and changing postmodern cultural landscape."

- ロバート・ベネット、ブラッド・ピットに関するパネルディスカッションをした英語学のモンタナ州の教授
- Robert Bennett, English professor at Montana State, announcing a panel discussion about Brad Pitt

"In the councils of government, we must guard against the acquisition of unwarranted influence, whether sought or unsought, by the military-industrial complex. The potential for the disastrous rise of misplaced power exists and will persist."

- アイゼンハワー、送辞
- Eisenhower, Farewell Address

"Keep away from people who try to belittle your ambitions. Small people always do that, but the really great make you feel that you, too, can become great."

- マーク・トウェイン
- Mark Twain

"However little television you watch, watch less."

- デービッド・マッカラ
- David McCullough

"Any word you have to hunt for in a thesaurus is the wrong word."

- スティーブン・キング
- Stephen King

"The people can always be brought to the bidding of the leaders. That is easy. All you have to do is tell them they are being attacked, and denounce the pacifists for lack of patriotism, and exposing the country to greater danger."

- ゲーリング、ニュルンベルク裁判で
- Goering at the Nuremberg Trials

"As all these results were obtained, not by any heroic method, but by patient and detailed reasoning, I began to think it probable that philosophy had erred in adopting heroic remedies for intellectual difficulties, and that solutions were to be found merely by greater care and accuracy. This view I have come to hold more and more strongly as time went on, and it has led me to doubt whether philosophy, as a study distinct from science and possessed of a method of its own, is anything more than an unfortunate legacy from theology."

- バートランド・ラッセル、「論理的原子論」
- Bertrand Russell, "Logical Atomism"

"Get the important things right."

- N. P. コリングウッド
- N. P. Collingwood

"When schoolchildren start paying union dues, that's when I'll start representing the interests of schoolchildren."

- アルバート・シャンカー、米国教員連盟の会長、1985年
- Albert Shanker, president of the American Federation of Teachers, 1985

"The power of instruction is seldom of much efficacy except in those happy dispositions where it is almost superfluous."
- ギボン
- Gibbon

"I do not know what the Lord's anointed, his Vicegerent upon earth, divinely appointed by him, and accountable to none but him for his actions, will either think or do, upon these symptoms of reason and good sense which seem to be breaking out all over France: but this I foresee, that, before the end of this century, the trade of both King and Priest will not be half so good a one as it has been."

- チェスターフィールド、息子への1752年4月13日の手紙
- Chesterfield, letter to his son, 13 Apr 1752

filter(P, S) はほとんどの場合、より明確に [x for x in S if P(x)] と書き直せる。
"filter(P, S) is almost always written clearer as [x for x in S if P(x)]"

- グイド・ヴァンロッサム「Python」
- Guido van Rossum on Python

"I'm surrounded by postmodern idiots and blatherers. Your writings give me hope."

- 読者からのメール
- email from a reader

"In the last analysis, productivity of labour is the most important, the principal thing for the victory of the new social system."

- 1953-1957の中国の国家経済開発用の第一次の5か年計画の中で引用されたレーニンの言葉
- Lenin, quoted in First Five-Year Plan for the Development of the National Economy of the People's Republic of China in 1953-1957

"Most interesting phenomena have multiple causes."

- N.P.コリングウッド
- N. P. Collingwood

"From 1911 to 1920, the mood of the city varied between utter dullness and tremendous excitement."

- アーサー・コフマン「図説パロアルト史」
- Arthur Coffman, An Illustrated History of Palo Alto

"People don't change their minds. They die, and are replaced by people with different opinions."

- アルチューロ・アルベルガーティ
- Arturo Albergati

"No man who ever held the office of President would congratulate a friend on obtaining it."

- ジョン・アダムス
- John Adams