From the beginning... I wanted to build a company that could sustain not for two years or four years or even ten years but be something that really matters over time the way Amazon and Google and others have.

You can manage 50 people through the strength of your personality and lack of sleep. You can touch them all in a week and make sure they're all pointed in the right direction.

I need to aspire to be a great CEO and not just a great product engineer.

Not having a clear goal leads to death by a thousand compromises.

Get five or six of your smartest friends in a room and ask them to rate your idea.

Don't lose sight of user delight.

I think failing is the best way to keep you grounded, curious, and humble. Success is dangerous because often you don't understand why you succeeded. You almost always know why you've failed. You have a lot of time to think about it.