If you want to buy something; it’s obviously in your best interest to convince the seller that what he’s got isn’t worth very much.

Cybersecurity is not only a question of developing defensive technologies but offensive technologies, as well.

We should be using our brilliant people, our most brilliant minds to figure a way that ISIS cannot use the Internet. And then on second, we should be able to penetrate the Internet and find out exactly where ISIS is and everything about ISIS. And we can do that if we use our good people.

Always try to learn from other people's mistakes, not your own- it is much cheaper that way!

I am really rich. All of my life I have heard a truly successful, and even a modestly successful person, cannot run for public office - just can't happen. Yet that's the kind of mindset you need to make this country great again.

I would immediately start working on the military [as a President] . We have to build up our depleted military. And I would start working on repealing and replacing Obamacare.

I would never take any of my cards off the table.