Some companies out there quote a start of production that is substantially in advance of when customers get their cars.

The revolutionary breakthrough will come with rockets that are fully and rapidly reusable. We will never conquer Mars unless we do that. It'll be too expensive. The American colonies would never have been pioneered if the ships that crossed the ocean hadn't been reusable.

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

The biggest mistake, in general, I've made, is to put too much of a weighting on someone's talent and not enough on their personality. And I've made that mistake several times. I think it actually matters whether somebody has a good heart, it really does. I've made the mistake of thinking that it's sometimes just about the brain.

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 always had an existential crisis, trying to figure out ‘what does it all mean?’ I came to the conclusion that if we can advance the knowledge of the world, if we can expand the scope and scale of consciousness, then, we’re better able to ask the right questions and become more enlightened. That’s the only way to move forward.

I think it matters whether someone has a good heart.