As you go along your own road in life, you will, if you aim high enough, also meet resistance... But no matter how tough the opposition may seem, have courage still and persevere.

It's important that we invest in America - literally. The terrorists wanted to destroy our economy, and we can't let our system fall apart. We also have to invest in one another.

And so I have studied, I have to tell you, revolutions and uprisings for a long time. They are all slightly different, but what they all look for is some kind of a mechanism to go from an authoritarian system to an open, democratic system.

As a child, I really did see buildings bombed, and what makes me different from an American that's the same age as I am is that I can understand what happens when there is fighting in a way that they couldn't.

Glass ceilings have been broken, but more have to be broken.

The best book, like the best speech, will do it all - make us laugh, think, cry and cheer - preferably in that order.

After the Cold War, to rally the American people to understand that we had to be a part of solutions. It's one thing to say that we have to run everything, it's another to say we don't want anything to do with it.