Stop lookin' at what you ain't got, and start being thankful for what you do got.

That's the way progress works: the more we build up these vast repertoires of scientific and technological understanding, the more we conceal them.

We cannot choose the things that will happen to us. But we can choose the attitude we will take toward anything that happens. Success or failure depends on your attitude.

I'm a free market person, a free trader. But if we had a market in California, there would be competition.

What's the best way to get a good spouse? The best single way is to deserve a good spouse because a good spouse is by definition not nuts.

The problem of disbelieving in God is not that a man ends up believing nothing. Alas, it is much worse. He ends up believing anything.

I got a wonderful college education. I went to Harvard. In those four years I accumulated a lot of knowledge but I also created a kind of habit of learning that has stayed with me my whole life.

Never again can we afford to live with the narrow, provincial "outside agitator" idea. Anyone who lives inside the United States can never be considered an outsider.

When I started out, it was this sense of, "Let's put out a record and see what happens and see where you go and see how you feel and where we can take it." That was a very different world back then.

No screenplay is possible, unless you get some attachment from somebody who's going to get it made.

I really like individualism based on truth. That's something I try to think about. What do I actually think about that, what do I actually feel right now? As opposed what should I feel.