"If you're walking down the right path and you're willing to keep walking, eventually you'll make progress."

"I think that the most important thing we can do is to make sure that we are investing in our young people."

"I think when you consider the sweep of human history, it's a pretty good bet that the arc of the moral universe does bend towards justice. But it doesn't bend on its own."

"I have to say, though, I do miss Air Force One. It's a pretty sweet ride."

"I actually believe in American exceptionalism, just as I suspect that the Brits believe in British exceptionalism and the Greeks believe in Greek exceptionalism."