I do believe, separate and apart from any particular election or movement, that we are going to have to guard against a rise in a crude sort of nationalism or ethnic identity or tribalism that is built around an us and a them.

When I've sent young men and women into harm's way, I always understand that that is the last resort, not the first resort.

You may want to prove that you're worthy of other kids or neighbors who were wealthier than you and teased you. You may want to prove that you're worthy of high expectations. But I do think that there is a youthful ambition that very much has to do with making your mark in the world. And I think that cuts across the experiences of a lot of people who end up achieving something significant in their field.

You know, the bowling alley doesn‘t seem to be improving my game. That‘s the one thing I have noticed.

Of course we [with Angela Merkel] discussed our commitment to meeting shared security challenges from countering cyber threats to ensuring that Iran continues to live up to the terms of the Iran nuclear deal.

We want our children to live in an America that isn't burdened by debt, that isn't weakened by inequality, that isn't threatened by the destructive power of a warming planet.

Nobody wants to put the creditworthiness of the United States in jeopardy. Nobody wants to see the United States default. So we've got to seize this moment, and we have to seize it soon.