Every president who has tried to bring about big changes I think elicits the most passionate responses.

So we don't need more top-down economics. We've tried that theory. We've seen what happens. We can't afford to go back to it.

You not only do you appreciate the sacrifices people have made and the hours they've kept and the soccer games they missed and the birthday parties, but I also had a lot of young people who came in here [to White House], and this probably, you know, echoes with you, in your own experience, you were young when you got here.

We do want people to know if in fact we learn of an incident that's focused on a particular city.If we learn of long-term planning, that's focused on a particular industry or infrastructure. And so we feel we have an obligation to let people know if we have information of a credible threat or not.

[...] we must start by inspiring our children with a sense of purpose...by nurturing their imagination so that they may dream big and then work hard to reach those dreams. Too often, our children spend hours playing Playstation without ever finding out how to build Playstation. They watch television but never wonder how it's put together. They surf web page after web page on the Internet, but are never taught how to design one.

First of all, I think everybody has to acknowledge don't underestimate the guy [Donald Trump], because he's going to be 45th president of the United States.

Since 2010, America has put more people back to work than Europe, Japan, and all advanced economies combined.