North Koreans are irrational to some extent, but I don't think they're totally irrational. I think they watch American cable channels. I think they watch the European cable channels. I think they, their decision makers keep up more than we know. And I think they want us to think they're a little crazy.

I take full responsability...for what we did. It was the right thing to do.

When we make college more affordable, we make the American dream more achievable.

During the sole argument we had when [Chelsea] was in high school, the subject of which I don't even remember, I looked at her and said, 'As long as you're in this house, being president is my second most important job'.

Citizenship in the 21st century requires more than paying your taxes and voting and occasionally running for office. That even if you're never in political office, you have political responsibilities. You can make your society stronger and better.

We're not talking about a few rooms here with delicate personal matters involved.

This is one way that wealthy Americans could really contribute. They could put hundreds of millions of dollars into the infrastructure bank, be a good investment for them, for their children, for their grandchildren, and they would directly contribute to revitalizing a big sector of middle-class wages in America and making our country more productive, so that we could create more opportunity. But I think that we could get a lot of grassroots support from, like, local chambers of commerce and other things if they understood exactly how this infrastructure bank would work.