"It is nice to feel like you made a difference, inventing something or raising kids or helping people in need."

"I can understand wanting to have millions of dollars, there's a certain freedom, meaningful freedom that comes with that. But once you get much beyond that, I have to tell you, it's the same hamburger."

"I really had a lot of dreams when I was a kid, and I think a great deal of that grew out of the fact that I had a chance to read a lot."