But you see, a rich country like America can perhaps afford to be stupid.

I see Donald Trump as a phenomenon of an expression of certain fears, certain resentments, that have been a running thread in American history.

The hard truth is carbon pollution has built up in our atmosphere for decades now. And even if we Americans do our part, the planet will slowly keep warming for some time to come.

For the United States of America, the best is yet to come.

Never read Who Moved My Cheese in the workplace when you can read The Joy of Not Working.

Empathy is a quality of character that can change the world.

I think I did in the sense that there's a whole generation coming up behind us that was engaged, inspired, worked for change during the course of my presidency, saw what was possible. And that generation, it's coming.