Donald Trump: “I’ve empowered you to be a tough guy.”

Our calling is to explore. Our purpose is to build, and our aim is always to win.

They knocked out – they built a little bit of an anti-aircraft device and we knocked it out in about 15 minutes, maybe five.

Within the next two years, NASA will launch the first-ever nuclear-powered spacecraft to Mars.

Stephen Miller's been with me since the beginning. He gets it.