"Whereas in art nothing worth doing can be done without genius, in science even a very moderate capacity can contribute to a supreme achievement."

"When one admits that nothing is certain one must, I think, also admit that some things are much more nearly certain than others."

"Patriots always talk of dying for their country and never of killing for their country."

"Everything is vague to a degree you do not realize till you have tried to make it precise."

"Sin is geographical."

"Mathematics may be defined as the subject in which we never know what we are talking about, nor whether what we are saying is true."

"If you're going to kick authority in the teeth, you might as well use two feet."

"Beyond talent lie all the usual words: discipline, love, luck -- but, most of all, endurance."

"The ability to delude yourself may be an important survival tool."

"For animals, the entire universe has been neatly divided into things to (a) mate with, (b) eat, (c) run away from, and (d) rocks."

"Before Elvis, there was nothing."

"Deeds, not stones, are the true monuments of the great."