“In 1948 I addressed some students at Washington and Lee University, and in the question-answer period one young man observed with asperity, "But it's easy for you to write. You've traveled."”

Epitaph for George Dillon, Act II (1957)
Co-written with Anthony Creighton.

interviewed by
Context: I once wrote a lecture for Manchester University called « Moments of Discovery » in which I said that there are two moments that are important. There's the moment when you know you can find out the answer and that's the period you are sleepless before you know what it is. When you've got it and know what it is, then you can rest easy.

Remarks at the London Assembly meeting, criticising the Assembly's approach to allegations against Mayoral adviser Lee Jasper (13 February 2008)

Source: Brother to Dragons

The Essays Or Counsels, Civil And Moral, Of Francis Ld. Verulam Viscount St. Albans (1625), Of Marriage and Single Life

lecture III: "This Unscientific Age"
The Meaning of It All (1999)

13 -17
Ulysses (1842)
Context: I cannot rest from travel: I will drink
Life to the lees: all times I have enjoy'd
Greatly, have suffer'd greatly, both with those
That loved me, and alone, on shore, and when
Thro' scudding drifts the rainy Hyades
Vext the dim sea: I am become a name;
For always roaming with a hungry heart
Much have I seen and known; cities of men
And manners, climates, councils, governments,
Myself not least, but honour'd of them all;
And drunk delight of battle with my peers,
Far on the ringing plains of windy Troy.

47 : The Question and its Answer, p. 78.
The Everything and the Nothing (1963)

Source: The Startup Owner’s Manual (2012), p. 91.