The 3-legged stool of understanding is held up by history, languages, and mathematics. Equipped with those three you can learn anything you want to learn. But if you lack any one of them you are just another ignorant peasant with dung on your boots.

In a dilemma, it is helpful to change any variable, then reexamine the problem.

He had learned that close-held secrets could often be cracked by going all the way to the top and there making himself unbearably unpleasant. He knew that such twisting of the tiger's tail was dangerous, for he understood the psychopathology of great power.

I was there to see beautiful naked women. So was everybody else. It's a common failing.

A religion is a source of happiness and I would not deprive anyone of happiness. But it is a comfort appropriate for the weak, not for the strong--and you are strong. The great trouble with religion--any religion--is that the religionist, having accepted certain propositions by faith, cannot thereafter judge these propositions by evidence. One may bask at the warm fire of faith or choose to live in the bleak uncertainty of reason--but one cannot have both.

Civilians are like beans; you buy 'em as needed for any job which merely requires skill and savvy. But you can't buy fighting spirit.

Never own more than you can carry in both hands at a dead run.