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

Optimism is important. You have to be a little silly about the goals you are going to set. There is a phrase I learned in college called, 'having a healthy disregard for the impossible.' That is a really good phrase. You should try to do things that most people would not do.

If you can run the company a bit more collaboratively, you get a better result, because you have more bandwidth and checking and balancing going on.

We have always wanted Google to be a company that is deserving of great love. But we recognize this is an ambitious goal because most large companies are not well-loved, or even seemingly set up with that in mind. We're lucky to have a very direct relationship with our users, which creates a strong incentive for us to do the right thing .

People are starving in the world, not because we don't have enough food, but because we're not organized. And computers are part of that.

It's very hard to fail completely, if you aim high enough.

Most of us carry at least one device, all the time, every day. In fact many of us would feel naked without our smartphone. It's hardly surprising mobile search queries - and mobile commerce - are growing dramatically across the world.