When people really understand it's do or die [and] if we work hard and pull through, it's going to be a great outcome; people will give it everything they've got.

Most people can learn a lot more than they think they can. They sell themselves short without trying.

My vision is for a fully reusable rocket transport system between Earth and Mars that is able to re-fuel on Mars - this is very important - so you don't have to carry the return fuel when you go there.

With artificial intelligence, we are summoning the demon. In all those stories where there's the guy with the pentagram and the holy water, it's like, yeah, he's sure he can control the demon. Didn't work out.

The tough thing is figuring out what questions to ask, but […] once you do that, the rest is really easy.

I wouldn't say I have a lack of fear. In fact, I'd like my fear emotion to be less because it's very distracting and fries my nervous system.

When I was in college, I wanted to be involved in things that would change the world.