America cannot take another four years of Barack Obama, and that's what you're getting with Hillary Clinton.

If people around the world believe they can just come on a temporary visa and never, ever leave, the Obama-Clinton policy, that's what it is, then we have a completely open border, and we no longer have a country.

I like the concept of local education.

These are barbaric people [at ISIS]. These are people that - you know, I used to study medieval times, and you know, they chopped off heads. But until recently, this was a phenomena that you wouldn't see, the level of barbarism is unbelievable.

I did disagree with Ronald Reagan very strongly on trade. I disagreed with him. We should have been much tougher on trade even then. I've been waiting for years. Nobody does it right.

Our military is a disaster.

There's a whole lot of potential here [in vice-president candidates debates]. But it's not going to be a substitute for [Donald] Trump picking up the pace, the slack himself. It's not going to be a substitute for that.