In order for us to have a future that's exciting and inspiring, it has to be one where we're a space-bearing civilization.

The key test for an acronym is to ask whether it helps or hurts communication.

I do love email. Wherever possible I try to communicate asynchronously. I'm really good at email.

If you had to buy a new plane every time you flew somewhere, it would be incredibly expensive.

Funded by the government just means funded by the people. Government, by the way, has no money. It only takes money from the people. Sometimes people forget that that's really what occurs.

People often mistake technology for a static picture. It's less like a picture and more like a movie. It's the velocity of technology innovation that matters. It's the acceleration.

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.