I mean the prime case that you can look at is Martin Luther King, who was only an activist for 13 years. But every year, he became deeper, more concerned, connecting more issues.

I've said for thirty years that capitalism is an exhausted system. But now you can see the handwriting everywhere. And one especially horrifying part is the fiscal crisis.

We have sex education - I'm for it, I'm not against it. But any curriculum should recognize that it's young people's job to invent it themselves. You're not going to teach them; they're going to reinvent it.

Your body's always going through changes. It's fattening or thinning or wrinkling or blotching, and the only thing you really have control over is putting some decoration on it.

I wish I had been wiser. I wish I had been more effective, I wish I'd been more unifying, I wish I'd been more principled.

The world spends two trillion dollars a year on military, and of that two trillion the United States spends one trillion. We have a bigger military than the rest of the world put together. We have 150 foreign military bases.

In terms of my own behavior and activity, the funny thing about regrets and saying "I'm sorry," is that there's so much I would do differently and want to do differently moving forward.