When one teaches, two learn.

Men are not potatoes!

Your enemy is never a villain in his own eyes. Keep this in mind; it may offer a way to make him your friend. If not, you can kill him without hate — and quickly.

We came here for a small, informal meeting. We find you've turned it into a circus. Well, if you're going to have a circus, you've got to have elephants.

Cats have no sense of humor, they have terribly inflated egos, and they are very touchy.

A competent and self-confident person is incapable of jealousy in anything. Jealousy is invariably a symptom of neurotic insecurity.

You got the impression that he never needed to sleep - just ten-thousand-mile checkups and dust him off occasionally.