Determine what your customers need, and work backwards.

On the Internet, companies are scale businesses, characterized by high fixed costs and relatively low variable costs. You can be two sizes: You can be big, or you can be small. It's very hard to be medium. A lot of medium-sized companies had the financing rug pulled out from under them before they could get big.

We're working to lower the cost of spaceflight so that many people can afford to go and so that we humans can better continue exploring the solar system. Accomplishing this mission will take time, and we're working on it methodically.

A company shouldn't get addicted to being shiny, because shiny doesn't last.

Failure comes part and parcel with invention. It’s not optional.

We've got thousands of investors counting on us. And we're a team of thousands of employees all counting on each other. That's fun.

What we want to be is something completely new. There is no physical analog for what Amazon.com is becoming.