The thing that's worth doing is trying to improve our understanding of the world and gain a better appreciation of the universe and not to worry too much about there being no meaning. And, you know, try and enjoy yourself. Because, actually, life's pretty good. It really is.

Tesla is here to stay and keep fighting for the electric car revolution.

What I'm trying to do is, is to make a significant difference in space flight. And help make space flight accessible to almost anyone.

When I was in college, I wanted to be involved in things that would change the world.

To make an embarrassing admission, I like video games. That's what got me into software engineering when I was a kid. I wanted to make money so I could buy a better computer to play better video games. Nothing like saving the world.

If you're co-founder or CEO, you have to do all kinds of tasks you might not want to do. If you don't do your chores, the company won't succeed. No task is too menial.

I've actually not read any books on time management.