First, I worry about climate change. It's the only thing that I believe has the power to fundamentally end the march of civilization as we know it, and make a lot of the other efforts that we're making irrelevant and impossible.

These dilemmas present perhaps the most enduring conundrum of human history: can people derive their identity primarily by positive association or does life's meaning also require negative comparison to others?

Education is not a privilege, it is a right!

The stimulus is our bridge over troubled waters. And if it's invested well, it'll generate a lot of economic growth, and we'll get quite a bit of the revenues back.

I might not have been President if it hadn't been for school music. Learning improves in school environments where there are comprehensive music programs.

Our overriding environmental challenge tonight is the worldwide problem of climate change, global warming, the gathering crisis that requires worldwide action.

I might not be the same, but that's not important/No freedom till we're equal, damn right I support it