Most incredibly, because to me this is unbelievable, we have no idea who these [immigrants] are, where they come from. I always say Trojan Horse.

I pay hundreds of millions of dollars in taxes.

On trade, our country is a disaster. We have political hacks. People that give money to politicians. That's how they get their jobs. We have the worst people negotiating our trade deals. We're going stop that. We're going to have the greatest business people in the world and we have them. We're going to have the greatest business people in the world negotiating our trade deals with China.

On many issues, including on the use of nuclear weapons, it is not clear where [Donald] Trump stands, due to his contradictory statements.

I do know this: other countries are eating our lunch.

I've never been a politician, but , I am totally committed to the Republican Party. I feel very honored to be the front runner.

The Chinese are not stupid people. They're very smart people. They told me very, very distinctly that they cannot believe how stupid our representatives are in the United States. They cannot believe that they can continue to take all our jobs - you know, through the manipulation of the currency, of their currency, they make it almost impossible for our great companies to compete.