The trouble with conspiracies is that they rot internally.

Library Science is the key to all science, just as mathematics is its language - and civilization will rise or fall, depending on how well librarians do their jobs.

Social responsibility above the level of family, or at most of tribe, requires imagination-- devotion, loyalty, all the higher virtues -- which a man must develop himself; if he has them forced down him, he will vomit them out.

Heroism' often consists in keeping your head in an emergency and doing the best you can with what you have instead of panicking and being shot in the tail. People who fight this way win more battles than do intentional heroes; a glory hound often throws away the lives of his mates as well as his own.

A boy who gets a C- in 'Appreciation of Television' can't be all bad.

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

A community where everyone is a ruthless murderer, with handy access to death-dealing devices, is a very polite community.