I thought, between sports and news and television and friendship, that you could end the Cold War and, by God, we did.

Over a three year period, I gave away half of what I had. To be honest, my hands shook as I signed it away. I knew I was taking myself out of the race to be the richest man in the world.

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

I've always tried to do the smartest and best thing.

If you can get yourself where you're not afraid of dying, then you can move forward a lot faster.

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 next most dangerous thing [after nuclear proliferation] is probably... global warming, and then, right behind that are overpopulation -- we need to get serious about family planning-and trying to alleviate poverty, to get clean, renewable energy, probably with solar panels to the billion and a half people in the world who don't have access to electricity.