Jobs was brave enough to think differently, bold enough to believe he could change the world, and talented enough to do it.

I think I have an ongoing conversation with God. I think throughout the day, I'm constantly asking myself questions about what I'm doing, why am I doing it.

When you're a candidate and you say something that is inaccurate or controversial, it has less impact than it does when you're president of the United States. Everybody around the world's paying attention. Markets move. National security issues require a level of precision in order to make sure that you don't make mistakes.

The elevation of appearance over substance, of celebrity over character, of short term gains over lasting achievement displays a poverty of ambition. It distracts you from what's truly important.

The Bush Administration's failure to be consistently involved in helping Israel achieve peace with the Palestinians has been both wrong for our friendship with Israel, as well as badly damaging to our standing in the Arab world.

If some of these [Republican] folks were around when Columbus set sail, they must have been founding members of the 'flat earth society.' They would not believe that the world was round.

For the Palestinians' efforts to delegitimize Israel will end in failure. Palestinian leaders will not achieve peace or prosperity if Hamas insists on a path of terror and rejection. And Palestinians will never realize their independence by denying the right of Israel to exist.