Failure comes part and parcel with invention. It’s not optional.

One of the things it was obvious you could do with an online store is have a much more complete selection.

We've done price elasticity studies, and the answer is always that we should raise prices. We don't do that, because we believe -- and we have to take this as an article of faith -- that by keeping our prices very, very low, we earn trust with customers over time, and that that actually does maximize free cash flow over the long term.

I feel like in one year it's very easy to go from Internet poster boy to Internet piсata.

If you're not doing something that people will remark on, then it's going to be hard to generate word of mouth.

The three most important things in retail are location, location, location. The three most important things for our consumer business are technology, technology, technology.

Mediocre theoretical physicists make no progress. They spend all their time understanding other people's progress.