The Kyoto Treaty wasn't perfect, but we signed it, in fact, helped to draft it. And I'm very proud of it, it was the world's first commitment to doing something comprehensive on greenhouse gases and trying to reduce global warming before we do irreversible damage to many civilizations around the world.

A lot of presidential memoirs, they say, are dull and self-serving. I hope mine is interesting and self-serving.

I am fascinated by this partnership between Lady Gaga and Tony Bennett. It's magic and I love it.

When we make college more affordable, we make the American dream more achievable.

We cannot build our own future without helping others to build theirs.

If you live long enough, you'll make mistakes. But if you learn from them, you'll be a better person. It's how you handle adversity, not how it affects you. The main thing is never quit, never quit, never quit.

The struggle for your own character is the struggle for the nation's character.