Never underestimate the power of human stupidity.

You live and learn. Or you don't live long.

There ought not to be anything in the whole universe that man can't poke his nose into-that's the way we're built and I assume that there's some reason for that.

Humans hardly ever learn from the experience of others. They learn - when they do, which isn't often - on their own, the hard way.

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.

A poet who reads his verse in public may have other nasty habits.

Sex, whatever else it is, is an athletic skill. The more you practice, the more you can, the more you want to, the more you enjoy it, the less it tires you.