It's really incumbent upon us as life's agents to extend life to another planet. I think that being a multi-planet species will significantly increase the richness and scope of the human experience.

The thing that's worth doing is trying to improve our understanding of the world and gain a better appreciation of the universe and not to worry too much about there being no meaning. And, you know, try and enjoy yourself. Because, actually, life's pretty good. It really is.

It is definitely true that the fundamental enabling technology for electric cars is lithium-ion as a cell chemistry technology. In the absence of that, I don't think it's possible to make an electric car that is competitive with a gasoline car.

The idea of lying on a beach as my main thing just sounds like the worst. It sounds horrible to me. I would go bonkers. I would have to be on serious drugs. I'd be super-duper bored. I like high intensity.

I’m nauseatingly pro-American. I would have come here from any country. The U.S. is where great things are possible.

As a child I would just question things.

You need to live in a dome initially but over time you could terraform Mars to look like Earth and eventually walk around outside without anything on. ... So it's a fixer-upper of a planet.