In order for us to solve many big problems around the world, it is in our interest to work with Russia and obtain their cooperation.

[The White House staff] start bringing in their kids, who you think should be babies and now are in second grade or something, and you've watched them grow up. So I think what ends up happening is you end up maintaining those networks and those contacts, but the concentrated interactions and experience that you have here, I don't think, I don't expect you can duplicate anyplace else.

One of the things that I've learned, and I think we've all learned, is that we are not going to get the kind of decisive, permanent victories in this fight against terrorism that we would get from fighting another country. We're not going to get that MacArthur/Emperor moment, because by definition, even after decimating Al Qaeda in the Fata, even after taking out [Osama] bin Laden there's still people there who have both the interest and the capacity if we don't maintain vigilance to strike against the United States.

For we know that our patchwork heritage is a strength, not a weakness.

We've got an extraordinarily complex tax system that's full of loopholes that are exploited by special interests. I'd like to see those loopholes closed.

If you run you stand a chance of losing, but if you don't run you've already lost.

What you have is Mitt Romney running around the country saying 'Well, you know, my wife tells me that what women really care about are economic issues, and when I listen to my wife, that's what I'm hearing.' Guess what? His wife has actually never worked a day in her life.