America must always lead on the world stage. If we don't, no one else will. The military that you have joined is, and always will be, the backbone of that leadership. But U.S. military action cannot be the only - or even primary - component of our leadership in every instance. Just because we have the best hammer does not mean that every problem is a nail.

There's not a liberal America and a conservative America - there's the United States of America.

Get informed, not by reading The Huffington Post.

I still don't feel responsible for what Donald Trump says or does. But I do feel a responsibility as president of the United States to make sure that I facilitate a good transition and I present to him as well, as the American people my best thinking, my best ideas about how you move the country forward. To speak out with respect to areas where I think the Republican party's wrong, but to pledge to work with them on those things that I think will advance the causes of security and prosperity and justice and inclusiveness in America.

I think that Donald Trump is coming to this office with fewer set hard-and-fast policy prescriptions than a lot of other presidents might be arriving with.

I don't look at my pension. It's not as big as yours so it doesn't take as long.

Iran won't pursue nuclear weapons because 'it's contrary to their faith.'