Have confidence in your ideas before they even exist.

You can shut down a service, and yet people will find ways to communicate.

I started designing book jackets, which was great because I was good at it. And then from there I decided to become a freelance graphic designer and I needed to expand beyond book jackets, so I taught myself web design, and then in 1999 some friends of mine decided to start a company called Xanga.com, which was a very early kind of social network slash blogging community.

We realized we weren't really using Odeo, we weren't investing our own time creating podcasts. We were building a tool that was a great idea for some other people. That's a dangerous way to go because if you don't actually use it yourself and love it, then you aren't going to be as fully invested in it from the start. That's what leads you to doing side projects.

In order to succeed spectacularly you have to be willing to fail spectacularly.

I don't think of Twitter as a social network. I think of it as a messaging system that has a lot of social components to it.

There's no such thing as a superhero, but together we can world in a new direction.