1. I want to be part of what changes the world.
2. There’s a graveyard of prior attempts, a big graveyard. There’s probably some freshly dug graves just waiting to be filled. Our aspiration is to avoid that destination.
3. 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. I think it actually matters whether somebody has a good heart, it really does.
4. The heroes of the books I read, The Lord of the Rings and the Foundation series, always felt a duty to save the world.
5. There’s nothing really expensive about rocketry. The issue is, those involved in rocketry in the past got away with horrendously low efficiency.
6. We're running the most dangerous experiment in history right now, which is to see how much carbon dioxide the atmosphere… can handle before there is an environmental catastrophe.
7. I’d like to die on Mars – just not on impact.
8. The Hitchhiker’s Guide to the Galaxy taught me that the hardest thing on earth is choosing which question to ask. But if you have chosen one, then everything else will go easy.
9. Not long ago I said that in the next 30 years, most new cars in the United States will be electric. And I don’t mean hybrids. I’m talking about electric cars.
10. There have been only about half a dozen truly important events in the four-billion-year history of life on Earth: single cell life, multicell life, differentiation in plants and animals, movement of animals from water to land, and advent of mammals and consciousness. The next big moment will be when life becomes multi-planetary, an unprecedented adventure that will greatly increase the wealth and diversity of our