Humanity’s greatest advances are not in its discoveries – but in how those discoveries are applied to reduce inequity.

A first-generation fortune is the most likely to be given away, but once a fortune is inherited it's less likely that a very high percentage will go back to society.

If somebody is considering being willing to go out and work in the field in global health, those are a particular class of heroes because it's hard to work in those places. Our foundation gets so many of our learnings from people who've been out there and seen, "this tool is not going to work there, there's more of a problem here than you know." You should really get involved in that.

SPAM is taking e-mail, which is a wonderful tool, and exploiting the idea that it's very inexpensive to send mail.

Intellectual property has the shelf life of a banana.

The scientific understanding of some of these [childhood] diseases is advancing quite rapidly. There's some things like premature birth or nutrition, first day deaths that we need a lot more insights so that we can build the tools to solve those problems.

If you say to people that there's less violence today than in the past, they would be stunned to hear that. But it's the truth, even though we have awful things happening in Syria or Sudan.