Leaders, true leaders, take responsibility for the success of the team and understand that they must also take responsibility for the failure.

To be honest, I inherited a mess.ISIS has spread like cancer - another mess I inherited.

Hillary Clinton talks tough against Russia. But our nuclear program has fallen way behind, and they've gone wild with their nuclear program. Not good. Our government shouldn't have allowed that to happen.

For non-state terror actors, the United States must develop the ability, no matter how difficult, to track down and incapacitate those responsible and do it rapidly.

It's interesting that during [Hillary Clinton's] FBI review, which took place on a massive holiday and which wasn't recorded and lots of other things, that she went 39 times. She didn't remember, she didn't remember.

I think running for president causes more stress.

I want to make America great again. I'm going to be able to do it. I don't believe Hillary Clinton will.