It really matters whether people are working on generating clean energy or improving transportation or making the Internet work better and all those things. And small groups of people can have a really huge impact.

You’re going to have some very amazing capabilities in the economy. When we have computers that can do more and more jobs, it’s going to change how we think about work. There’s no way around that. You can’t wish it away.

The Web is a vast collection of completely uncontrolled heterogeneous documents.

If we were motivated by money, we would have sold the company a long time ago and ended up on a beach.

Optimism is important. You have to be a little silly about the goals you are going to set. There is a phrase I learned in college called, 'having a healthy disregard for the impossible.' That is a really good phrase. You should try to do things that most people would not do.

The moments that we have with friends and family, the chances that we have to make a big difference in the world or even to make a small difference to the ones we love, all those wonderful chances that life gives us, life also takes away. It can happen fast and a whole lot sooner than you think.

The ultimate search engine would basically understand everything in the world, and it would always give you the right thing. And we're a long, long ways from that.