I have never met a successful person that was a quitter. Successful people never, ever, give up!

You know that if you [Hillary Clinton] did win, you would approve that [Trans-Pacific Partnership], and that will be almost as bad as NAFTA. Nothing will ever top NAFTA.

NATO members must finally contribute their fair share and meet their financial obligations.

That's what they [ISIS] did, they chopped off heads. That's what we have ... [to do].

You see the unemployment rate is at a very, very low level. Job enthusiasm and manufacturing, business enthusiasm is at record levels; never been higher... We've got it going.

Europe is being absolutely swamped and destroyed with the crime and the problems, and it could be some sinister plot.

I don`t know that I`m going to get along with Vladimir Putin. I hope I do. But there`s a good chance I won`t.