I don't know how anyone gets anything done in cities. How can you live somewhere like London or New York, when there are 81 things to do every night? Awful. Give me solitude and space any time.

To truly laugh, you must be able to take your pain, and play with it!

I told Warren if he mentions Prop. 13 one more time, he has to do 500 push-ups.

Friendship always benefits; love sometimes injures.

We have one planet in our solar system that's habitable, and that's the Earth, and space travel can transform things back here for the better. First of all, by just having people go to space and look back on this fragile planet we live on. People have come back transformed and have done fantastic things.