And terrorists who seek to harm our citizens will feel the long arm of American justice.

My hope is Donald Trump makes things better. And if he does, we'll all benefit from it.

I wouldn't be the man I am today without the woman who agreed to marry me 20 years ago

[About his marijuana use] I did. It's not something that I'm proud of. It was a mistake as a young man, but you know? I mean not going to -- I never understood that line. The point was to inhale. That was the point.

The very technologies that empower us to do great good can also be used to undermine us and inflict great harm.

I'm measuring my actions against that inner voice that for me at least is audible, is active, it tells me where I think I'm on track and where I think I'm off track.

When I've sent young men and women into harm's way, I always understand that that is the last resort, not the first resort.