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

Great companies are built on great products.

Every mode of transport that we use - whether it's planes, trains, automobiles, bikes, horses - is reusable, but not rockets. So we must solve this problem in order to become a space-faring civilization.

So, there's quite a big keep-out zone, and when you factor the keep-out zone into account, the solar panels put on that area would typically generate more power than that nuclear power plant.

I'm a Silicon Valley guy. I just think people from Silicon Valley can do anything.

I think that's the single best piece of advice: constantly think about how you could be doing things better and questioning yourself.

We have this handy fusion reactor in the sky called the sun, you don't have to do anything, it just works. It shows up every day.