Grow up, Donald Trump. Grow up. Time to be an adult. You're president. You gotta do something. Show us what you have.

I've been saying for the last nine years, our power comes as much from - our respect in the world comes as much from the exercise of our power as it does from the power of our principles.

I can die a happy man never having been president of the United States of America. But it doesn't mean I won't run.

Failure at some point in your life is inevitable, but giving up is unforgivable.

You're looking at a middle-class guy. I am who I am.

One of the reasons to pick the cancer effort is to demonstrate to people that there's not much beyond our capacity. It will take time, but if we focus, if we narrow down where the bottle necks are and we move, there's never been a problem we can't solve.

I didn't make a political speech outside of my state for 20 years. And I just focused almost exclusively on my initiatives for national crime legislation, foreign policy issues.