One of our big goals in search is to make search that really understands exactly what you want, understands everything in the world. As computer scientists, we call that artificial intelligence.

We try to, when you come to Google, fulfill that need that you have as quickly as possible.

I think it is often easier to make progress on mega-ambitious dreams. I know that sounds completely nuts. But, since no one else is crazy enough to do it, you have little competition. There are so few people this crazy that I feel like I know them all by first name. They all travel as if they are pack dogs and stick to each other like glue. The best people want to work the big challenges.

If you're changing the world, you're working on important things. You're excited to get up in the morning.

I have always believed that technology should do the hard work - discovery, organization, communication - so users can do what makes them happiest: living and loving, not messing with annoying computers! That means making our products work together seamlessly.

We should be building great things that don't exist.

The "Be good" concept also comes up when we design our products. We want them to have positive social effects.