I hope to someday live in a world where there are lots more Silicon Valleys.

The good news about building a company during times like this is that the companies that do succeed are going to be extremely strong and resilient.

One of the advantages of moving quickly is if you do something wrong you can change it.

The difference between a vision and a hallucination is that other people can see the vision.

One of the advantages of moving quickly is if you do something wrong you can change it. What technologies tend to do is they tend to make a lot of mistakes... but then we go back and aggressively attack those mistakes - and fix them. And you usually recover pretty quickly.

Any new technology tends to go through a 25-year adoption cycle.

Most of the big breakthrough technologies/companies seem crazy at first: PCs, the internet, Bitcoin, Airbnb, Uber, 140 characters.. It has to be a radical product. It has to be something where, when people look at it, at first they say, ‘I don’t get it, I don’t understand it. I think it’s too weird, I think it’s too unusual.’