The best investments you ever make are investments in yourself - and your education. Those investments always pay big dividends.

I used to get great press. I get the worst press. I get such dishonest reporting with the media. I've never had anything like it before. It happened during the primaries, and I said, you know, when I won, I said, "Well the one thing good is now I'll get good press." And it got worse. So that was one thing that a little bit of a surprise to me. I thought the press would become better, and it actually, in my opinion, got more nasty.

You have to stay focused. You cannot take your eye of your goal

Nuclear is the single greatest threat.

I am the only one who can make America truly great again!

I think maybe my greatest weakness is that I trust people too much. I'm too trusting. And when they let me down, if they let me down, I never forgive. I find it very, very hard to forgive people that deceived me. So I don't know if you would call that a weakness, but my wife said "let up."

You have to love what you do. Without passion, great success is hard to come by. An entrepreneur will have tough times if he or she isn't passionate about what they're doing. People who love what they're doing don't give up. It's never even a consideration. It's a pretty simple formula.