Dedication
A Soldier's Story (1951)
Quotes about doubt
page 5

From the 1997 television program Stephen Hawking's Universe http://www.pbs.org/wnet/hawking/html/home.html
Unsourced variant: All of my life, I have been fascinated by the big questions that face us, and have tried to find scientific answers to them. Perhaps that is why I have sold more books on physics than Madonna has on sex. This quote seems to combine the above sentence from Stephen Hawking's Universe with a statement from the Foreword to The Illustrated Brief History of Time: As Nathan Myhrvold of Microsoft (a former post-doc of mine) remarked: I have sold more books on physics than Madonna has on sex.

As quoted in "Return of the time lord" in The Guardian (27 September 2005)

Quote of Escher, from his essay on Tessellation 1957; as cited by Tony Thomas, in 'The Strange Worlds of M C Escher' http://www.escapeintolife.com/essays/the-strange-worlds-of-m-c-escher/
1950's

Source: Darwin’s Black Box: The Biochemical Challenge to Evolution (1996), p. (1996).

1860s, Speeches to Ohio Regiments (1864), Speech to the One Hundred Sixty-fourth Ohio Regiment

Source: 2015, Address to the People of India (January 2015)

1860s, Allow the humblest man an equal chance (1860)

James Tobin, in Conversations with Economists (1983) by Arjo Klamer
1970s and later

From Picasso, His Life and Work, Sir Roland Penrose, (1981), p. 413
Attributed from posthumous publications

“Is there life before death? — that is the question!”
Irrelevance
One Minute Wisdom (1989)

Source: Striking Thoughts (2000), p. 3

Answering a question on homosexuality - "Shocking Lesbian Confessions At TB Joshua's Church http://www.lindaikejisblog.com/2014/03/shocking-lesbian-confessions-at-tb.html Linda Ikeji's Blog, Nigeria (March 24 2014)

On the problem of hidden variables in quantum mechanics (1966)

1910s, The Problems of Philosophy (1912)

2012, Sandy Hook Prayer Vigil (December 2012)

1940s, Philosophy for Laymen (1946)

1900s, "In God we Trust" letter (1907)

As quoted in The Columbia Dictionary of Quotations (1993) edited by Robert Andrews, p. 742

Sri Isopanisad, Mantra 1 - Los Angeles, May 3, 1970. Vanipedia http://vaniquotes.org/wiki/If_you_want_to_love_God,_there_is_nothing_throughout_the_whole_world_which_can_check_you._Simply_you_have_to_develop_your_eagerness:_%22Krsna,_I_want_You.%22_That%27s_all._Then_there_is_no_question_of_checking
Quotes from other Sources, Quotes from other Sources: Loving God

Source: 1860s, Fourth of July Address to Congress (1861)

1900s, A Square Deal (1903)

Source: The Last Messiah (1933), To Be a Human Being https://www.youtube.com/watch?v=u4m6vvaY-Wo&t=1110s (1989–90)

Dr. Martin Luther King Jr. National Memorial Groundbreaking Ceremony (13 November 2006)
2006

Then your life is useless and meaningless, and you're full of self contempt and nihilism, and that's not good. And so that's what I think is going on at a deeper level with regard to men needing this direction. A man has to decide that he's going to do something. He has to decide that."
Concepts

“Every sentence I utter must be understood not as an affirmation, but as a question.”
As quoted in A Dictionary of Scientific Quotations (1991) by Alan L. Mackay, p. 35

2008, A More Perfect Union (March 2008)

The Lang Coortin, last two stanzas
Rhyme? and Reason? (1883)

Comment on Stahl interview in Madam Secretary (2003), pp. 274-275
2000s

“To ask the proper question is half of knowing.”
Prudens quaestio dimidium scientiae.
Cited in: LIFE, 8 sept 1958, p. 73
Variant translation: Half of science is asking the right questions.

Source: Introduction to The Closing of the American Mind (1988), p. 18

Cheney, on not pushing on to Baghdad during the first Gulf War; C-SPAN 4-15-94 Interview on CNN http://transcripts.cnn.com/TRANSCRIPTS/0708/13/sitroom.03.html
1990s

Source: The Subversion of Christianity (1984), p. 114

Oeconomicus (The Economist) XIX.15 (as translated by H. G. Dakyns)
Xenophon
Source: A Soldier's Story (1951), p. ix.


During an interview with H. R. Knickerbocker, first published in Hearst's International Cosmopolitan (January 1939), in which Jung was asked to diagnose Adolf Hitler, Benito Mussolini, and Joseph Stalin, later published in Is Tomorrow Hitler's? (1941), by H. R. Knickerbocker, also published in The Seduction of Unreason : The Intellectual Romance with Fascism (2004) by Richard Wolin, Ch. 2 : Prometheus Unhinged : C. G. Jung and the Temptations of Aryan Religion, p. 75

gq-magazine.co.uk http://www.gq-magazine.co.uk/entertainment/articles/2011-02/01/gq-film-norman-foster-how-much-does-your-building-weigh-interview.

“How, then, shall I respond to him who asks, “What was God doing before he made heaven and earth?” I do not answer, as a certain one is reported to have done facetiously (shrugging off the force of the question). “He was preparing hell,” he said, “for those who pry too deep.” It is one thing to see the answer; it is another to laugh at the questioner--and for myself I do not answer these things thus. More willingly would I have answered, “I do not know what I do not know,” than cause one who asked a deep question to be ridiculed--and by such tactics gain praise for a worthless answer.”
Ecce respondeo dicenti, 'quid faciebat deus antequam faceret caelum et terram?' respondeo non illud quod quidam respondisse perhibetur, ioculariter eludens quaestionis violentiam: 'alta,' inquit, 'scrutantibus gehennas parabat.' aliud est videre, aliud ridere: haec non respondeo. libentius enim responderim, 'nescio quod nescio' quam illud unde inridetur qui alta interrogavit et laudatur qui falsa respondit.
Ecce respondeo dicenti, 'quid faciebat deus antequam faceret caelum et terram?' respondeo non illud quod quidam respondisse perhibetur, ioculariter eludens quaestionis violentiam: 'alta,' inquit, 'scrutantibus gehennas parabat.'
aliud est videre, aliud ridere: haec non respondeo. libentius enim responderim, 'nescio quod nescio' quam illud unde inridetur qui alta interrogavit et laudatur qui falsa respondit.
Book XI, Chapter XII; translation by E.B. Pusey
Confessions (c. 397)

2016, News Conference With Chancellor Angela Merkel of Germany (November 2016)

Attributed to Albertus Magnus in: R.C. Bless (1996) Discovering the cosmos. p. 686.

Excerpts of Trotsky’s interview with Jewish Telegraphic Agency (18 January 1937); as quoted in Trotsky and the Jews (1972) by Joseph Nedava, p. 204

On Soviet actions in Hungary to the UN General Assembly (21 November 1956)

Speech at the Wannsee Conference, Berlin, (20 January 1942), as quoted in Why Did the Heavens Not Darken : The "Final Solution (1990) by A. J. Mayer, p. 304

Source: 1930s, Power: A New Social Analysis (1938), Ch. 16: Power philosophies

Well, that's part of the answer to this question. And the answer likely is: well, you don't do as good a job of it as you could. So it works out quite well, but you don't know how well it could work if you did it really well, or spectacularly well, or ultimately well or something like that. You don't know."
Bible Series V: Cain and Abel: The Hostile Brothers
Concepts

<span class="plainlinks"> Foreword, 'Tales of Transformation: English Translation of Tagore's Chitrangada and Chandalika', Lopamudra Banerjee, (2018). https://www.amazon.co.uk/dp/B07DQPD8F4/</span>
From Prose

"Good And Bad Procrastination"], December 2005
“Questions don't change the truth, but they give it motion.”
Empire of Dreams (prose poetry, 1988)
Source: Writings on the General Theory of Signs, 1971, p. 301

"A Spur for a Free Horse" in The Sword and the Trowel (February, 1866) http://www.spurgeon.org/s_and_t/spur.htm

“I go into the Upanishads to ask questions.”
As quoted in God Is Not One : The Eight Rival Religions That Run the World and Why Their Differences Matter (2010), by Stephen Prothero, Ch, 4 : Hinduism : The Way of Devotion, p. 144

Um dia, sentado à mesa, pensei: E se fôssemos todos cegos? Imediatamente me veio a resposta: Nós somos todos cegos.
On the idea for his next novel (Blindness), which came to him while sitting in a restaurant; New York Times interview with Alan Riding (1998), as quoted in Portuguese Literary & Cultural Studies, 6th Edition (Center for Portuguese Studies and Culture, 2001), p. 131.

Lecture to Fabian Soiety 1917 Art and Life from Vision and design by Roger Fry , Forgotten Books , 2012
Art Quotes

Fletcher v. Peck, 10 U.S. (6 Cranch) 87, 128 (1810)

Journal entry (8 July 1916), p. 74e
1910s, Notebooks 1914-1916

His assessment when the Congress Party headed by Rajiv Gandhi had lost the elections (in November 1989) but was still the largest party.
Source: Commissions and Omissions by Indian Presidents and Their Conflicts with the Prime Ministers Under the Constitution: 1977-2001, p. 153.

1860s, Allow the humblest man an equal chance (1860)
Context: If I saw a venomous snake crawling in the road, any man would say I might seize the nearest stick and kill it; but if I found that snake in bed with my children, that would be another question. I might hurt the children more than the snake, and it might bite them. Much more if I found it in bed with my neighbor's children, and I had bound myself by a solemn compact not to meddle with his children under any circumstances, it would become me to let that particular mode of getting rid of the gentleman alone. But if there was a bed newly made up, to which the children were to be taken, and it was proposed to take a batch of young snakes and put them there with them, I take it no man would say there was any question how I ought to decide!
Context: If I saw a venomous snake crawling in the road, any man would say I might seize the nearest stick and kill it; but if I found that snake in bed with my children, that would be another question. I might hurt the children more than the snake, and it might bite them. Much more if I found it in bed with my neighbor's children, and I had bound myself by a solemn compact not to meddle with his children under any circumstances, it would become me to let that particular mode of getting rid of the gentleman alone. But if there was a bed newly made up, to which the children were to be taken, and it was proposed to take a batch of young snakes and put them there with them, I take it no man would say there was any question how I ought to decide! That is just the case! The new Territories are the newly made bed to which our children are to go, and it lies with the nation to say whether they shall have snakes mixed up with them or not. It does not seem as if there could be much hesitation what our policy should be!

2009, Nobel Prize acceptance speech (December 2009)

Note to Stanza 28 part 4
Spiritual Canticle of The Soul and The Bridegroom, Notes to the Stanzas

1860s, Speech to Germans at Cincinnati, Ohio (1861), Commercial version

1950s, The Russell-Einstein Manifesto (1955)

As cited in: Peter S. Pande, Robert P. Neuman, and Roland R. Cavanagh. The six sigma way. McGraw-Hill,, 2000. p. 6

Source: Consciencism (1964), Philosophy In Retrospect, pp. 5-6.

1960s-1980s, "The Problem of Social Cost" (1960)

Said to Wolfgang Pauli after his presentation of Heisenberg's and Pauli's nonlinear field theory of elementary particles, at Columbia University (1958), as reported by F. J. Dyson in his paper “Innovation in Physics” (Scientific American, 199, No. 3, September 1958, pp. 74-82; reprinted in "JingShin Theoretical Physics Symposium in Honor of Professor Ta-You Wu," edited by Jong-Ping Hsu & Leonardo Hsu, Singapore; River Edge, NJ: World Scientific, 1998, pp. 73-90, here: p. 84).
Your theory is crazy, but it's not crazy enough to be true.
As quoted in First Philosophy: The Theory of Everything (2007) by Spencer Scoular, p. 89
There are many slight variants on this remark:
We are all agreed that your theory is crazy. The question which divides us is whether it is crazy enough.
We are all agreed that your theory is crazy. The question is whether it is crazy enough to be have a chance of being correct.
We in the back are convinced your theory is crazy. But what divides us is whether it is crazy enough.
Your theory is crazy, the question is whether it's crazy enough to be true.
Yes, I think that your theory is crazy. Sadly, it's not crazy enough to be believed.

Liner notes for Live in Japan. Impulse. GRD-4-102, 1991.

Speech http://hansard.millbanksystems.com/commons/1854/mar/31/war-with-russia-the-queens-message in the House of Commons (21 March 1854).
1850s

“Question: Guru Maharaji Ji, are you God? – Answer: No. My Knowledge is God”
Who is Guru Maharaj Ji?, (November 1973), Bantam Books, Inc.
1970s

Interview with "O Globo", July 2009.

Page 68
Publications, The Shah's Story (1980), On oil and nuclear energy

1910s, The Philosophy of Logical Atomism (1918)

Letter to Lillian D. Clark (29 March 1926), quoted in Lord of a Visible World: An Autobiography in Letters edited by S. T. Joshi, p. 186
Non-Fiction, Letters

Je m’entretiens avec moi-même de politique, d’amour, de goût ou de philosophie ; j’abandonne mon esprit à tout son libertinage ; je le laisse maître de suivre la première idée sage ou folle qui se présente … Mes pensées ce sont mes catins.
Variant translations:
My ideas are my whores.
My thoughts are my trollops.
Rameau's Nephew (1762)

Source: 1920s, Review of The Meaning of Meaning (1926), p. 114

" My Father's Suitcase", Nobel Prize for Literature lecture http://nobelprize.org/nobel_prizes/literature/laureates/2006/pamuk-lecture_en.html (December 7, 2006).

Apologia Pro Vita Sua [A defense of one's own life] (1864)