There are no secrets better kept than the secrets everybody guesses.

Think what cowards men would be if they had to bear children. Women are altogether a superior species.

I'm not a teacher: only a fellow traveler of whom you asked the way. I pointed ahead - ahead of myself as well as you.

Only in the problem play is there any real drama, because drama is no mere setting up of the camera to nature: it is the presentation in parable of the conflict between Man's will and his environment: in a word, of problem.

Life is too short for men to take it seriously.

It is feeling that sets a man thinking, and not thought that sets him feeling.

The doctor learns that if he gets ahead of the superstitions of his patients he is a ruined man; and the result is that he instinctively takes care not to get ahead of them.