Work like hell. I mean you just have to put in 80 to 100 hour weeks every week. [This] improves the odds of success. If other people are putting in 40 hour work weeks and you’re putting in 100 hour work weeks, then even if you’re doing the same thing you know that you will achieve in 4 months what it takes them a year to achieve.

I think you should always be seeking negative feedback.

I think the high-tech industry is used to developing new things very quickly. It's the Silicon Valley way of doing business: You either move very quickly and you work hard to improve your product technology, or you get destroyed by some other company.

The extension of life beyond Earth is the most important thing we can do as a species.

Really, the only thing that makes sense is to strive for greater collective enlightenment.

In order to have your voice be heard in Washington, you have to make some little contribution.

I think we should be very careful about artificial intelligence. If I had to guess at what our biggest existential threat is, it's probably that. So we need to be very careful...With artificial intelligence we're summoning the demon.