Reality is but a poor excuse for not having an imagination.

I really wanted to be a doctor, until my freshman year of college when I realized that while I was good at chemistry and biology, I really wasn't feeling challenged by it.

I always did something I was a little not ready to do. I think that's how you grow. When there's that moment of 'Wow, I'm not really sure I can do this,' and you push through those moments, that's when you have a breakthrough.

Shifting toward management meant greater responsibility and influence, but it also meant giving up programming day-to-day in my role, which was hard because it took me out of my comfort zone.

The Googly thing is to launch products early on Google Labs and then iterate, learning what the market wants - and making it great. The beauty of experimenting in this way is that you never get too far from what the market wants. The market pulls you back.

Do something youre not ready to do. In the worst case, youll learn your limitations.

When people think about computer science, they imagine people with pocket protectors and thick glasses who code all night.