It is a dangerous thing to ask why someone else has been given more. It is humbling - and indeed healthy - to ask why you have been given so much.

Search for role models you can look up to and people who take an interest in your career. But here's an important warning: you don't have to have mentors who look like you. Had I been waiting for a black, female Soviet specialist mentor, I would still be waiting. Most of my mentors have been old white men, because they were the ones who dominated my field.

I learned a lot about my parents, who were both teachers. I had known that my parents were very strongly in favor of education. I had known that they had an impact on a lot of people, but people came out of the woodwork who have said, "You know, without your father, I would never have gone to college," very successful people. And so I learned how widespread their educational evangelism really was.

The problem here is that there will always be some uncertainty about how quickly Saddam can acquire nuclear weapons. But we don't want the smoking gun to be a mushroom cloud.

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

I play classical music almost exclusively. I never mastered jazz or gospel in the way that my mother did. She was a fine improvisational musician. I pretty much have to stick to what's written on the page.

The first step for a leader is to be right with yourself. Integrity is the basis of leadership.