How can Hitler, or some other murderer, appear in this world? I don't think any single theory can account for the phenomenon, and I think it's a mistake to try to reduce it to being brutalized by your parents or having grown up in some horrible situation - like Charles Manson.

I see happiness as a by-product. I don't think you can pursue happiness. I think that phrase is one of the very few mistakes the Founding Fathers made

I sometimes get short-tempered in a public situation because I think, Oh God, I can't go back over that again. I can't put that into a two-word answer. I can't. Wherever I go, people say, "Can I ask you a quick question?" It's always, "a quick question." Well, my answers are slow.

It's very important for men to look downward, to the next generation

People used to trust their doctor. They went to an expert. Now people have new ideas and are thinking for themselves. That's a very important change in our collective psychology.

We can't change anything until we get some fresh ideas, until we begin to see things differently.

I know my own deficiencies, one of which is that I had lived away from America for such a long time. It's called expatriate