I started SpaceX with the expectation of failure.

It's a fixer-upper of a planet but we could make it work.

That's my lesson for taking a vacation: vacation will kill you.

I'm glad to see that BMW is bringing an electric car to market. That's cool.

Every mode of transport that we use - whether it's planes, trains, automobiles, bikes, horses - is reusable, but not rockets. So we must solve this problem in order to become a space-faring civilization.

I realized that a methane-oxygen rocket engine could achieve a specific impulse greater than 380.

I wouldn't say I have a lack of fear. In fact, I'd like my fear emotion to be less because it's very distracting and fries my nervous system.