You've got to ask yourself, why won't Donald Trump release his tax returns? I think there may be a couple of reasons. First, maybe he's not as rich as he says he is. Second, maybe he's not as charitable as he claims to be. Third, we don't know all of his business dealings, but we have been told through investigative reporting that he owes about $650 million to Wall Street and foreign banks. Or maybe he doesn't want the American people to know that he's paid nothing in federal taxes.

The first lesson I've learned is that no matter what you do in your life, you have to figure out your own internal rhythms - I mean, what works for you doesn't necessarily work for your friend.

There is no doubt that the increasing numbers of women in the economy has helped fuel significant growth everywhere. And economies that are making the shift more effectively and rapidly are dramatically outperforming those that have not.

In 2016, you shouldn't have to choose between succeeding at work and being there for your family.

[Muammar] Gaddafi probably had more blood on his hands of Americans than anybody else.

Equal pay is not yet equal. A woman makes $0.77 on a dollar and women of color make $0.67... We feel so passionately about this because we are not only running for office, but we each, in our own way, have lived it. We have seen it. We have understood the pain and the injustice that has come because of race, because of gender. And it's imperative that... we make it very clear that each of us will address these issues.

We've got this arc of instability from North Africa to South Asia, and we have to pay close attention to it. And we have to build coalitions, something that I did to take on the Iranian nuclear program, and what I will do as president to make sure that we defeat these terrorist networks.