It was stupid behaviour. And you take a look at the explosion, and it knocks you down and you wake up every morning and you're scared and you're depressed and sad, and you kind of got to let that knock you down and knock you down.
David LettermanThere's only one requirement of any of us, and that is to be courageous. Because courage, as you might know, defines all other human behavior. And, I believe - because I've done a little of this myself - pretending to be courageous is just as good as the real thing.
David LettermanPresident Obama and his wife are going to Kenya. Donald Trump said, 'While you're there, pick up your birth certificate.'
David LettermanHow about those Olympics, ladies and gentlemen. Didn't London look like the place to be? New York City was in the running for this Olympics. But here's what happened. We got outbribed.
David Letterman