You could warm Mars up, over time, with greenhouse gases.

I think most of the important stuff on the Internet has been built. There will be continued innovation, for sure, but the great problems of the Internet have essentially been solved.

The future of humanity is going to bifurcate in two directions: Either it's going to become multiplanetary, or it's going to remain confined to one planet and eventually there's going to be an extinction event.

I don't spend my time pontificating about high-concept things; I spend my time solving engineering and manufacturing problems.

Let's think beyond the normal stuff and have an environment where that sort of thinking is encouraged and rewarded and where it's okay to fail as well. Because when you try new things, you try this idea, that idea... well a large number of them are not gonna work, and that has to be okay. If every time somebody comes up with an idea it has to be successful, you're not gonna get people coming up with ideas.

Weighing too much on someone's talent and not someone's personality. I think it matters whether someone has a good heart.

If you had to buy a new plane every time you flew somewhere, it would be incredibly expensive.