The most important single thing is to focus obsessively on the customer. Our goal is to be earth's most customer-centric company.

The best customer service is if the customer doesn't need to call you, doesn't need to talk to you. It just works.

I strongly believe that missionaries make better products. They care more. For a missionary, it's not just about the business. There has to be a business, and the business has to make sense, but that's not why you do it. You do it because you have something meaningful that motivates you.

Advertising is the price you pay for unremakable thinking.

You have to use your judgment. In cases like that, we say, 'let's be simple minded. We know this is a feature that's good for customers. Let's do it.

Do something you're very passionate about, and don't try to chase what is kind of the "hot passion" of the day.

Part of company culture is path-dependent. It’s the lessons you learn along the way.