The amount of interaction, the amount of understanding that exists in your generation among people of different races and different creeds and different colors is unprecedented. And by the way, that goes - that cuts across party lines, that cuts across partisan lines.

We are willing to uphold principles that have resulted in unprecedented prosperity and security throughout Europe and around the world. With the threat of climate change only becoming more urgent, Angela [Merkel] and I focused on the need for American and E.U. leadership to advance global cooperation.

The bottom line is that it's hard to find a model in which you can practically administer and sustain political support for those kinds of efforts. And what makes America complicated as well is the degree to which this is not just a black/white society, and it is becoming less so every year.

I actually think, when you're young, ambitions are somewhat common - you want to prove yourself. It may grow out of different life experiences. You may want to prove that you are worthy of the admiration of the demanding father. You may want to prove that you are worthy of the love of an absent father.

No development strategy can be based only upon what comes out of the ground, nor can it be sustained while young people are out of work.

It's time to end the hypocrisy of those who accumulate wealth through the global economy, and then siphon funds to those who teach children to tear it down.

I, more than anything, obviously the presidency is the people, and it's been interesting the emotions in the last few months. What you realize is that you may never have the team that is together in the same way, under the same pressures, and the attachments that you make to folks from your chief of staff down to.