Thomas Jefferson believed that to preserve the very foundations of our Nation, we would need dramatic change from time to time. Well, my fellow Americans, this is our time. Let us embrace it.

The most important question of the 21st century is not what or how much, it is 'How?' How do you propose to turn your good ideas into positive changes in other people's lives? You must be the 'how generation.'

Politics gives guys so much power that they tend to behave badly around women. And I hope I never get into that.

The world economy, the world environment, the world AIDS crisis, the world arms race: they affect us all.

Just as war is freedom's cost, disagreement is freedom's privilege.

I misled people, including even my wife.

Only a fool does not look to explain his mistakes.