Nobody knows the political system better than me, which is why I alone can fix it.

You walk into Air Force One. It's like a surreal experience, in a certain way, but you have to get over it, because there's so much work to be done, whether it's jobs or other nations that truly hate us. You have to get over it.

We gave [Iran] $1.7 billion in cash, which is unheard of, and we put the money up and we have really nothing to show for it.

Seventy-five percent of the American people think our country is on the wrong track. Every poll says it. We are going to fix it and we are going to get our country back on the right track very, very quickly.

You know, we can't beat ISIS. We can't do anything. We can't take care of our vets. We can't have good health care. "Obama care" is a disaster. It's got to be repealed. It's got to be repealed and replaced.

You know what I gave to Russia? You know what I gave? Nothing.

Business is full of complexities. That's what makes it so interesting. Anyone who thinks it's boring hasn't given it much thought.