This victory alone is not the change we seek; it is only the chance for us to make that change.

There's some bittersweet feelings about leaving the people here [in the White House]. 'Cause even though all the team you assemble, you know, you're going to stay in touch with 'em, it's not the same, you know? The band kind of breaks up.

If there's even one thing we can do - even one life we can save - we have an obligation to try

I didn't have a perfect model, but I wanted to try to blend my own personal reflections and experiences with this broader canvas to see how a lot of the narratives we have about economy and foreign policy got stuck. Because we have these categories of liberal, conservative, free marketer, open government - all these stereotypes about our politics and the categories we try to put things in are inadequate to this sort of complex, ambiguous, sometimes contradictory experience we have as ordinary people and that I have as an elected official.

I think if you look at almost every year under every president over the last, I don't know, 20, 30 years, you're going to be hard-pressed to find a year in which the majority of Americans thought we were on the right track.

I don't regret the fervor, because I do believe, in the African American community but also for other communities, and I know from talking to people, for communities around the world, the election of an African American to the most powerful office on Earth meant things had changed, and not just in superficial ways. That in some irreversible way the world was different.

American leadership is not simply a matter of going it alone and bearing all of the burden ourselves.