People will buy the car just because it's a great car. We want them to think it's excellent value for money and then, oh yeah, it happens to be electric.

To our knowledge, life exists on only one planet, Earth. If something bad happens, it's gone. I think we should establish life on another planet-Mars in particular-but we 're not making very good progress. SpaceX is intended to make that happen.

The fuel cell is just a fundamentally inferior way of delivering electrical energy to an electric motor than batteries.

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.

The extension of life beyond Earth is the most important thing we can do as a species.

There's a fundamental difference, if you sort of look into the future, between a humanity that is a space-faring civilization, that's out there exploring the stars...compared with one where we are forever confined to Earth until some eventual extinction event.

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