Today, if you want to access a typical out-of-print book, you have only one choice - fly to one of a handful of leading libraries in the country and hope to find it in the stacks.

We wouldn't survive if people didn't trust us.

We deal with all varieties of information. Somebody's always upset no matter what we do. We have to make a decision; otherwise there's a never-ending debate.

As for "Don't be evil," we have tried to define precisely what it means to be a force for good-always do the right, ethical thing. Ultimately, "Don't be evil" seems the easiest way to summarize it.

Once you go from 10 people to 100, you already don’t know who everyone is. So at that stage you might as well keep growing, to get the advantages of scale.

I feel there’s an existential angst among young people. I didn’t have that. They see enormous mountains, where I only saw one little hill to climb.

My vision when we started Google 15 years ago was that eventually you wouldn't have to have a search query at all. You'd just have information come to you as you needed it. And Google Glass is now, 15 years later, sort of the first form factor that I think can deliver that vision.