My goal is not to fail fast. My goal is to succeed over the long run. They are not the same thing.

If I want to get work done, that's usually about 3 in the morning.

In the startup world, you're either a genius or an idiot. You're never just an ordinary guy trying to get through the day

Health care and education, in my view, are next up for fundamental software-based transformation.

No one should expect building a new high-growth, software-powered company in an established industry to be easy. It's brutally difficult.

I've been an entrepreneur three times. I started three companies.

We have never lived in a time with the opportunity to put a computer in the pocket of 5 billion people.