Hey, you know what, I've gotta go on that 'Letterman' show. That show is so lame.

George W. Bush promised us a foreign policy with humility. Instead, he has brought us humiliation in the eyes of the world. He promised to restore honor and integrity to the White House. Instead, he has brought deep dishonor to our country and built a durable reputation as the most dishonest president since Richard M. Nixon.

How could this Y2K be a problem in a country where we have Intel and Microsoft?

Each and every one of us can make changes in the way we live our lives and become part of the solution [to climate change]

You're going to see new processes that utilize waste as the source of energy, so there's no petroleum consumed in the process - that makes the energy balance uniformly positive.

I flew on Air Force Two for eight years, and now I have to take off my shoes to get on an aeroplane.

That we can be e pluribus Unum - out of one, many