There is nothing better than being in a classroom with really, really brilliant students, and opening up new worlds to them. That's what I love doing.

[I'm] very fortunate and blessed person who still has a lot of living to do.

You will make a difference in the world, but not immediately. Your first obligation is to find something you like doing, because if you like doing it, you'll do it well.

I believe that the Iraqis have an opportunity now, without Saddam Hussein there, to build the first multiconfessional Arab democracy in the Middle East. And that will make for a different kind of Middle East. And these things take time. History has a long arc, not a short one. And there are going to be ups and downs, and it is going to take patience by the United States and by Iraq's neighbors to help the Iraqis to do that. But if they succeed, it'll transform the Middle East, and that's worth doing.

Defeating human trafficking is a great moral calling of our time...

Truly remarkable leadership is not just about motivating others to follow, it's about inspiring them to become leaders themselves and setting the stage for even greater opportunities for future generations.

I think all of us have really got to redouble our efforts, first of all, to pay attention to the K-12 crisis. The sad fact is that I can look at your zip code and tell whether you're going to get a good education. That's not fair. And secondly, I hope that all of us who were fortunate enough to have benefited will put our time, our resources and our efforts into making sure that kids, particularly kids without means, have a way to achieve.