We're all products of our environment, and I suspect that strength of will - the feeling, "I'm going to be able to do whatever you put in front of me" - is honed in an environment where not everything is easy. Ironically, growing up in that environment, you don't have a sense of aggrievement or entitlement. You just have a sense of overcoming.

To see an African-American elected president means that this country is really finally coming full circle from the birth defect of slavery.

We need to move beyond the idea that girls can be leaders and create the expectation that they should be leaders.

When somebody underestimated me, it made me want to prove them wrong.

For the United States, supporting international development is more than just an expression of our compassion. It is a vital investment in the free, prosperous, and peaceful international order that fundamentally serves our national interest.

Oh, indeed there is a tie between Iraq and what happened on 9/11. It's not that Saddam Hussein was somehow himself and his regime involved in 9/11, but, if you think about what caused 9/11, it is the rise of ideologies of hatred that lead people to drive airplanes into buildings in New York.

I'm very glad my mother didn't let me quit piano lessons at age 10. She said I wasn't old enough or good enough to make that decision, and she was right. I remember at the time I was shocked. I did not like that my mother said those things to me. But when I got a chance to play with Yo-Yo Ma or more recently with Aretha Franklin, I thought, I'm really glad she said what she did.