In a system of capitalism, as people's wealth rises, the financial incentive to serve them rises. As their wealth falls, the financial incentive to serve them falls, until it becomes zero. We have to find a way to make the aspects of capitalism that serve wealthier people serve poorer people as well.

I'm certainly well taken care of in terms of food and clothes ... Money has no utility to me beyond a certain point. Its utility is entirely in building an organization and getting the resources out to the poorest in the world.

Perhaps I should be flattered that somebody imagines the name is worth so much, especially since my parents gave me the same name 42 years ago for free.

By improving health, empowering women, population growth comes down.

The flatter the corporate hierarchy, the more likely it is that employees will communicate bad news and act upon it.

Our teachers deserve better feedback.

If geek means you're willing to study things, and if you think science and engineering matter, I plead guilty. If your culture doesn't like geeks, you are in real trouble.