I think its one of the great principles. The element of surprise, I mean, you could take a force that's not nearly as strong and with the element of surprise you could wipe out a much more powerful force.

If America can have a great relationship with Russia and with China and with all countries, I'm all for that. That would be a tremendous asset.

When Mexico sends its people, they’re not sending the best...they’re sending people that have lots of problems and they’re bringing those problems. They’re bringing drugs, they’re bringing crime. They’re rapists and some, I assume, are good people, but I speak to border guards and they’re telling us what we’re getting.

Immediately after taking office, I will ask my generals to present to me a plan within 30 days to defeat and destroy ISIS.

Many people are afraid to fail, so they don't try. They may dream, talk, and even plan, but they don't take that critical step of putting their money and their effort on the line. To succeed in business, you must take risks. Even if you fail, that's how you learn. There has never been, and will never be, an Olympic skater who didn't fall on the ice.

There are at least 23 countries that refuse to take their people back after they've been ordered to leave the United States. Including large numbers of violent criminals, they won't take them back.

I say the one thing Hillary Clinton has over me is experience, but it's bad experience, because what she has done has turned out badly.