My son is now an 'entrepreneur.' That's what you're called when you don't have a job.

Every few seconds it changes - up an eighth, down an eighth - it's like playing a slot machine. I lose $20 million, I gain $20 million.

You can never quit. Winners never quit, and quitters never win.

I've never run into a guy who could win at the top level in anything today and didn't have the right attitude, didn't give it everything he had, at least while he was doing it; wasn't prepared and didn't have the whole program worked out.

The sad thing about destroying the environment is that we're going to take the rest of life with us. The bluebirds will be gone, and the elephants will be gone, and the tigers will be gone, and the pandas will be gone.

I travel a lot. I'm on the move.

Life is a game. Money is how we keep score.

I had more energy at 50. On the other hand, at 75, I've probably got a little more wisdom and good judgment than I had at 50 because I've got more experience. But I haven't really changed. I'm still driven by the same philosophy.

I've had the good fortune to have a much more diverse life than most people would, professional sports and television and news and movies.

Sports is like a war without the killing.

I think Captain Cousteau might be the father of the environmental movement.