There's no such thing as a good or bad culture, it's either a strong or weak culture. And a good culture for somebody else may not be a good culture for you.

The American dream, what we were taught was, grow up, own a car, own a house. I think that dream's completely changing. We were taught to keep up with the Joneses. Now we're sharing with the Joneses.

A company's culture is the foundation for future innovation. An entrepreneurs job is to build the foundation

Build something 100 people love, not something 1 million people kind of like.

I'm not saying the whole world will work this way, but with Airbnb, people are sleeping in other people's homes and other people's beds. So there's a level of trust necessary to participate that's different from an eBay or Facebook.

Every day I would wake up and think, 'Today is another missed opportunity to do something important.' After enough days like this, you start feeling like you are getting old, even when you are relatively young. We are all natural entrepreneurs, and being manacled to a desk job is not for us.

Do things that won't scale; it will teach you.