It's so much a part of me that it's almost hard to describe myself in the absence of it. I know that for me it means asking for guidance, and that in the toughest times there's a personal savior that I can rely on. And I'm very grateful to my parents for giving me that.

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

Every good leader is part manager and every good manager is part leader.

America's still a very, very powerful symbol and a very important place of leadership for the world.

You can never ask others to do something you would not do. That is integrity.

I remember classes in college where the professor was espousing certain theories about how blacks were inherently less intelligent. But I learned a long time ago to give people the benefit of the doubt, not to assume that somebody was reacting to you because of race.

I think it's very humble to believe that there is no man, woman or child who should live in tyranny. That people who say, well, maybe Arabs just aren't ready for democracy or maybe Africans just are going to have corrupt governments, that seems to me arrogant.