There are a lot of very religious scientists around. I think the problem here is that in our school systems, and to some degree - and this is where it is relevant - with school boards around the country that are mandating curriculums and textbooks, you start seeing this weird watering down of scientific fact so that our kids are growing up in an environment - and this connects to what I was saying earlier abou the media - where everything's contested. Where nothing is true.

Don't let your failures define you.

I think that sometimes the Democrats have to run upstream or swim upstream because we've got the Republicans making it out as if we don't care about these things, and we should be able to engage and be willing to engage in the discussion about morality and values.

There isn't anyone who can't serve ... nobody who can't help somebody else.

The shift to a cleaner energy economy wont happen overnight, and it will require tough choices along the way. But the debate is settled. Climate change is a fact.

I've got two daughters and I want to make sure that they have the same opportunities that anybody's sons have. That's part of what I'm fighting for as president of the United States.

Palestinians will never realize their independence by denying the right of Israel to exist.