When Michelle and I decided that I would run for President, it was because of a shared belief in the power of community and connection, a commitment to the idea that we are our brothers' keepers.

Teddy Roosevelt supported a progressive income tax. If I am sitting pretty and you've got a waitress who is making minimum wage plus tips, and I can afford it and she can't, what's the big deal for me to say, 'I'm going to pay a little bit more'? That is neighborliness.

We have to find ways in which, collectively, we agree there's some things that government needs to do to help protect us, that in this age of non-state actors who can amass great power, I want my government - and I think the German people should want their government - to be able to find out if a terrorist organization has access to a weapon of mass destruction that might go off in the middle of Berlin.

I was able to do that [showing up of Democratic benefits] when I was the candidate. But I've not seen or presided over that kind of systematic outreach that I think needs to happen.

A sportswriter once referred to him as our future president. With a name like Kevin, I don't know whether that's possible.

As tough as things have been, I am convinced you are tougher. I've seen your passion and I've seen your service. I've seen you engage and I've seen you turn out in record numbers. I've heard your voices amplified by creativity and a digital fluency that those of us in older generations can barely comprehend. I've seen a generation eager, impatient even, to step into the rushing waters of history and change its course.

For the world has changed, and we must change with it