I find that the great majority of public servants across the entire political spectrum come because they believe in the United States and they want to change the world.

What you know today can affect what you do tomorrow, but not what you did yesterday.

The quicker we get about the business of reducing our reliance on oil the better.

When I said I had always hoped to marry in my race, I really do mean that. That doesn't mean I absolutely wouldn't marry outside of it, but there's a culture and traditions to maintain, and I have great pride in them, and I always thought it would be wonderful to share that with somebody of my race.

Every life is worthy and every life is capable of greatness. We have an obligation to make sure that opportunity for greatness is there.

What the United States has done hasn't always been liked or popular. But if you look at some of the most populous places in the world - China, India - the United States is not only respected but, in fact, popular.

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.