I don't think that any economist disputes that we're in the worst economic crisis since the great depression. The good news is that we're getting a consensus around what needs to be done.

If you work hard. And are responsible. You should be rewarded.

So many of my staff is young enough that they're going to do amazing things. And I'm going to be helping them try to do them.

I would have I think made a bigger mistake if I had said, "Eh, chemical weapons. That doesn't really change my calculus." I think it was important for me as president of the United States to send a message that in fact there is something different about chemical weapons [in Syria].

We've got to make sure that we rebuild the infrastructure in America, because we used to be - have the best bridges, the best roads, the best airports. And now, when you go to China or you go to Europe, you see that they are outstripping us in terms of infrastructure. And if we put people back to work, that would be good not only in the short term, but it would also lay the foundation, the framework for long-term economic and job growth.

What I want to communicate is the fact that in all my travels throughout the Muslim world, what I've come to understand is that regardless of your faith - and America is a country of Muslims, Jews, Christians, non-believers - regardless of your faith, people all have certain common hopes and common dreams.

For now, whether you are young or whether you're young at heart, I do have one final ask of you as your president, the same thing I asked when you took a chance on me eight years ago. I am asking you to believe not in my ability to bring about change, but in yours.