Mars is the only place in the solar system where it's possible for life to become multi-planetarian.

Some people don't like change, but you need to embrace change if the alternative is disaster.

You want to do things you’re passionate about but also are useful to other people.

I just want to retire before I go senile because if I don't retire before I go senile, then I'll do more damage than good at that point.

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

For all the supporters of Tesla over the years, and it's been several years now and there have been some very tough times, I'd just like to say thank you very much. I deeply appreciate the support, particularly through the darkest times.

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