We have always tried to concentrate on the long term, and to place bets on technology we believe will have a significant impact over time. It's hard to imagine now, but when we started Google most people thought search was a solved problem and that there was no money to be made apart from some banner advertising. We felt the exact opposite: that search quality was very poor, and that awesome user experiences would clearly make money.

Being negative is not how we make progress, and the most important things are not zero sum.

For me, privacy and security are really important. We think about it in terms of both: You can't have privacy without security.

I have a simple algorithm, which is, wherever you see paid researchers instead of grad students, that's not where you want to be doing research.

It is often easier to make progress on mega-ambitious dreams. ... Since no one else is crazy enough to do it, you have little competition.

Lots of companies don't succeed over time. What do they fundamentally do wrong? They usually miss the future.

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