But the vast majority of books ever written are not accessible to anyone except the most tenacious researchers at premier academic libraries. Books written after 1923 quickly disappear into a literary black hole.

When I was growing up, I always knew I'd be in the top of my class in math, and that gave me a lot of self-confidence.

I am sometimes something of a lazy person, so when I end up spending a lot of time using something myself - as I did with Google in the earliest of days, I knew it was a big deal.

You can make money without doing evil.

Obviously everyone wants to be successful, but I want to be looked back on as being very innovative, very trusted and ethical and ultimately making a big difference in the world.

We've seen a massive attack on the freedom of the web. Governments are realizing the power of this medium to organize people and they are trying to clamp down across the world, not just in places like China and North Korea; we're seeing bills in the United States, in Italy, all across the world.

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.