A man has to define himself as a breadwinner, as opposed to thinking that well, women used to be caregivers who also wanted to have careers; men have always had careers, so why shouldn't they also want much more family time?

In foreign policy, even if you hold high office, you can't be sure what the effects will be of the things you do.

We should be proud of our country when we have done something to be proud of, when we have lived up to our own standards. But the flip side of genuine pride is being able to recognize when we have fallen short, and to hold ourselves to account.

Do not vote for Hillary [Clinton] because she is a woman. Ask yourself, who has done more for women so far and who will do more for women in the future - and then make your choice.

We all love narratives where we're the captain of our boat, and Americans love them more than anybody else.

I'm a child of the Cold War. You do not say, "Oh, my God, there are Russian planes, so I'm going to cede the field." I mean, what kind of world would we have had if the United States had done that for 60 years?

What I'm suggesting is we are going to look back, and we're going to see what happened in Syria, and we're going to see the larger destabilization of the Middle East, the rise of extremism, and we're going to wonder... Why didn't we at least try to force a political solution - at an acceptable cost to us, because no one is saying we should send in ground troops - and if we did it would be worse than doing nothing... If we do not act, we are going to look back and wonder why we didn't.