No nation can meet the world's challenges alone.

Don't let anyone tell you that great things can't happen in America... Barriers can come down. Justice and equality can win.

I also learned that a person was not necessarily bad just because you did not agree with him, and that if you believed in something, you had better be prepared to defend it.

Let there be no mistake, Sen Sanders, his campaign and the vigorous debate that we've had about how to raise incomes, how to reduce inequality, increase upward mobility, has been very good for the Democratic Party and for America.

We need a Supreme Court that will stand up on behalf of women's rights, on behalf of the rights of the LGBT community, that will stand up and say no to Citizens United, a decision that has undermined the election system in our country because of the way it permits dark, unaccountable money to come into our electoral system.

I think there has to be a recognition that, you know, there's so much at stake now, I mean, the business has changed so much and decisions are made so quickly, in nano seconds basically.

America is best when we work in collaboration with our allies. America is best when we are actually standing up to evil in this world. And ISIS, make no mistake about it, is an evil in this world.