I was asked by an NPR reporter once, why don't I talk about race that often. I said it's because I'm a neurosurgeon. And she thought that was a strange response. And you say - I said, you see, when I take someone to the operating room, I'm actually operating on the thing that makes them who they are. The skin doesn't make them who they are.

But, you know, when I look at somebody like Hillary Clinton, who sits there and tells her daughter and a government official that no, this was a terrorist attack, and then tells everybody else that it was a video. Where I came from, they call that a lie.

That's the only way we're going to get through these programs. That is true compassion. Having people become dependent on others is not compassion at all.

You need an incredible amount of self-confidence to go digging around in someone's brain.

Obviously, discipline is necessary for children. Training is necessary for children. Just like if you want to train a vine, you have to apply physical manipulation to get it to go where you want it to go, but as it learns, then you don't have to do that.

Through the use of books I had the whole world at my feet: could travel anywhere, meet anyone, and do anything.

A culture exists within the [Ted] Cruz camp that would allow people to take advantage of a situation like this in a very dishonest way.