"Don't worry about calling for me. Just pop a cork loudly enough and I'll come running."

“Any time, every time, you can damn the Prime Minister and so long as it is not a lie and a criminal lie, nothing happens to you.  You can say a lot of things.  You can write books about him, damning him.  So long as it is not a libel, go ahead.”

“It is important to distinguish the difficulty of describing and learning a piece of notation from the difficulty of mastering its implications. [...] Indeed, the very suggestiveness of a notation may make it seem harder to learn because of the many properties it suggests for exploration.”

Source : "Notation as a Tool of Thought". Cvommunications of the ACM, 23 (8), (pp. 444 - 465), August 1980.

“Learn to express, not impress.”

“Failure will not stop you if you are determined to succeed.”

“Food is a great way of communicating,”

“The chain of events leading to man commenced suddenly and sharply, at a definite moment in time, in a flash of light and energy.”

“The dumpling is indeed of more ancient institution, and of foreign origin; but alas, what were those dumplings? Nothing but a few lentils sodden together, moisten'd and cemented with a little seeth'd fat.”

“Recreational number theory [...] is that part of number theory that is too difficult to study.”