We have to find a way to make the aspects of capitalism that serve wealthier people serve poorer people as well.

This [philanthropy] work is even more fascinating. It requires us to think harder about how we build partnerships, who we get behind. And yet we get to see progress that in some ways is even more profound than the great advances that digital technology has provided.

In the same way that when the car got going, people thought it would be an electric car, people thought it would be a steam car. Actually, the dark horse in that race was internal combustion, but because of the energy density of gasoline and discovery of oil in large amounts at that point in first Pennsylvania and then Texas, it won out over those other two, to the point that those other two are actually viewed as obscure footnotes in history.

Great organizations demand a high level of commitment by the people involved. Eliminate politics, by giving everybody the same message. Keep a flat organization in which all issues are discussed openly. Empower teams to do their own things.

You've got to be willing to read other people's code, then write your own, then have other people review your code.

We need to get a broader awareness. People say climate change is really bad, but painting that picture of what you're putting at risk.

A lot of the things that will really improve the world fortunately aren't dependent on Washington doing something different.