Walmart is an amazing story of entrepreneurship and, as one of the world's most powerful brands, touches millions of lives every day.

Google has the functionality of a really complicated Swiss Army knife, but the home page is our of approaching it closed... It's simple, it's elegant you can slip it in your pocket, but it's got the great doodad when you need it

It is wonderful to work in an environment with a lot of smart people. It challenges you to think and work on a different level. If you play with better players, you learn a lot: perspectives, intellectual arguments, new ways of thinking about things.

I think Google should be like a Swiss Army knife: clean, simple, the tool you want to take everywhere.

If you push through that feeling of being scared, that feeling of taking risk, really amazing things can happen.

This is one of my favorites. People think of creativity as this sort of unbridled thing, but engineers thrive on constraints. They love to think their way out of that little box: 'We know you said it was impossible, but we're going to do this, this, and that to get us there.'

I didn't want to lose my sense of myself in my profession.