I do not think psychoanalysis has a scientific basis. If we can't explain why a cockroach decides to turn left, how can we explain why a human being decides to do something?

I would feel no hesitation in saying that it is the responsibility of a decent human being to give assistance to a child who is being attacked by a rabid dog, but I would not intend this to imply that in all imaginable circumstances one must, necessarily, act in accordance with this general responsibility.

I don't think Osama is a Muslim. I don't think Osama is a human being.

Language is a weapon of politicians, but language is a weapon in much of human affairs.

It is quite possible--overwhelmingly probable, one might guess--that we will always learn more about human life and personality from novels than from scientific psychology

I don't think I'm a particularly somber human being.