If you build a great product or service, people will talk about it. But it starts with having something that's worth talking about.

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.

We expect all our businesses to have a positive impact on our top and bottom lines ... Profitability is very important to us or we wouldn't be in this business.

And I still buy books at B&N, Borders and Elliot Bay ... I probably shouldn't admit this. But I don't care. I love great bookstores.

I never worked on the school newspaper.

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.

Percentage margins don't matter. What matters always is dollar margins: the actual dollar amount. Companies are valued not on their percentage margins, but on how many dollars they actually make, and a multiple of that.