Over-population is the 'cause of drive-by shootings' and other social ills, but the root of the problem is Christianity, which posits that people are more important than sea otters and elephants.

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 know what I'm having 'em put on my tombstone: 'I have nothing more to say'.

We won't be signing off until the world ends. We'll be on, and we will cover the end of the world, live, and that will be our last event . . . we'll play 'Nearer, My God, to Thee' before we sign off.

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.

The United States has got some of the dumbest people in the world. I want you to know that we know that.

The chance for mistakes is about equal to the number of crew squared.