If John McCain wants to have a debate about who has the temperament, and judgment, to serve as the next Commander-in-Chief, that's a debate I'm ready to have.

Be the best father you can be to your children. Because nothing is more important.

We can give our intelligence and law enforcement community the powers they need to track down and take out terrorists without undermining our commitment to the rule of law, or our basic rights and liberties.

The president [Barack Obama] laid out his vision for foreign policy in a way that we hadn't heard before. And it could be summed up, I think, in two words - realistic idealism.

The nation that leads the clean energy economy will be the nation that leads the global economy.

I think our basic principle that this is a free market system and that that has worked for us, that it creates innovation and risk taking, I think that's a principle that we've gotta hold to as well. But what I don't wanna do is get bottled up in a lot of ideology and is this conservative or liberal. My interest is finding something that works.

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.