It pays to trust your instinct.

I think the last thing I want to do is switch doctors.

We need strength, we need energy, we need quickness and we need brain in this country to turn it around.

You see sort of the difference in the way that Marco Rubio was talking in that kind of way. That kind of [Donald] Trump imitating way, which is designed to connect with certain people who want to see that from their political candidates as opposed to kind of speaking in the measured tones that we`re used to from Republican politicians who are trying to become president.

Whenever they asked me the question about what are you going to do about ISIS, I say, you know, I have a real chance of winning. I don't really want to tell you. I have very strong ideas and I'll be dealing with the people in this room and other folks that are, you know, very good at this, but the last thing you want to do is give notice to the enemy.

As far as the Ukraine is concerned, it's a mess. And that's under the Obama's administration, with his strong ties to NATO.

I'd want to have a fair moderator. I thought that Mitt Romney was treated very unfairly in the third debate [in 2012].