There is a science to managing high tech businesses, and it needs to be respected. One of them is that in technology businesses, leadership is temporary. It's constantly recycling. So the asset has limited lifetime.

You have to fight for your privacy or you lose it.

We run the company by questions, not by answers.

Even though Google may do very well, there will always be an alternative to what Google is doing, and people will always have the free choice... because there's no way for us to prevent them from exercising that choice. That is one of the key aspects of why the Internet has been so successful. No technologies can dominate.

I think to some degree one of the strengths of the high tech industry is that people are actually willing to tell you things. When I went to Novell, I didn't know how to be a CEO, so I went in and I called all sorts of CEOs I knew. I called in a favor. I wanted to come by and listen to them tell me what it's like to be a CEO.

Mobile use is growing faster than all of Google's internal predictions.

The Internet is the first thing that humanity has built that humanity doesn't understand, the largest experiment in anarchy that we have ever had.