I would say of all the things that have happened during the course of my presidency the knowledge that you have hundreds of thousands of people who have been killed, millions who have been displaced, [makes me] ask myself what might I have done differently along the course of the last five, six years.

Keep exploring. Keep dreaming. Keep asking why. Don’t settle for what you already know. Never stop believing in the power of your ideas, your imagination, your hard work to change the world.

You know, sometimes I'll go to an 8th-grade graduation and there's all that pomp and circumstance and gowns and flowers. And I think to myself, it's just 8th grade ... An 8th-grade education doesn't cut it today. Let's give them a handshake and tell them to get their butts back in the library!

The Supreme Court nominations [example]. I mean, the fact that Mitch McConnell, the leader of the Republicans, was able to just stop a nomination almost a year before the next election and really not pay a political price for it, that's a sign that the incentives for politicians in this town to be so sharply partisan have gotten so outta hand that we're weakening ourselves.

All across the world, ...increasingly dangerous weather patterns and devastating storms are abruptly putting an end to the long-running debate over whether or not climate change is real. Not only is it real, it's here, and its effects are giving rise to a frighteningly new global phenomenon: the man-made natural disaster.

Our government shouldn't make promises we cannot keep, but we must keep the promises we've already made.

perhaps I possess a certain Midwestern sensibility that I inherited from my mother and her parents, a sensibility that Warren Buffet seems to share: that at a certain point one has enough, that you can derive as much pleasure from a Picasso hanging in a museum as from one that's hanging in your den, that you can get an awfully good meal in a restaurant for less than twenty dollars, and that once your drapes cost more than the average American's yearly salary, then you can afford to pay a bit more in taxes.