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.

Software is different than other products um, partly because it's, it's not physical and, and partly because of its complexity. You can express in software millions of different cases and making sure that you handle all of them correctly is extremely difficult.

We all know that there are these exemplars who can take the toughest students, and they'll teach them two-and-a-half years of math in a single year.

People always fear change. People feared electricity when it was invented, didn't they? People feared coal, they feared gas-powered engines... There will always be ignorance, and ignorance leads to fear. But with time, people will come to accept their silicon masters.

You have to have a certain realism that government is a pretty blunt instrument and without the constant attention of highly qualified people with the right metrics, it will fall into not doing things very well.

I mean, if we said right now, there's somebody in the next room who's dying, let's all go save their life, you know, everybody would just get up immediately and go get involved in that.

The key thing you can do to reduce population growth is actually improve health.