I spent four and a half hours debating Donald Trump in three debates, which I think should put to rest any questions about my stamina.

Great nations need organizing principles, and 'Don't do stupid stuff' is not an organizing principle.

Prediction from a grown-up: Your future is going to be amazing. You will surprise yourself with what you're capable of and the incredible things you go on to do. Find the people who love and believe in you - there will be lots of them.

I think that trade is an important issue. Of course, we are 5 percent of the world's population; we have to trade with the other 95 percent. And we need to have smart, fair trade deals.

Small children and unruly people who are demanding attention.

When you guys go into some kind of a deal, you know, are you going to do that development or not, are you going to do that renovation or not, you know, you look at the numbers. You try to figure out what's going to work and what's not going to work.

The public trust is at the core of both a free market economy and a democracy.