My motivation for all my companies has been to be involved in something that I thought would have a significant impact on the world.

Physics is really figuring out how to discover new things that are counterintuitive, like quantum mechanics. It's really counterintuitive.

Optimism, pessimism, f**k that; we're going to make it happen. As God is my bloody witness, I'm hell-bent on making it work.

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

I don't create companies for the sake of creating companies, but to get things done.

SpaceX has the potential of saving the U.S. government $1 billion a year. We are opposed to creating an entrenched monopoly with no realistic means for anyone to compete.

Any product that needs a manual to work is broken.