I remember thinking quite logically that I didn't want to spoil my children with wealth and so that I would create a foundation, but not knowing exactly what it would focus on.

I'm going to retain a lot of Microsoft's stock.

In fact, that's where my vision of the coming digital opportunity is somewhat different from other people's. I divide it into three parts. One is the office. That's the one I'm most excited about and is the most concrete.

I reboot [my Windows PC] every night.

Learning to write programs stretches your mind, and helps you think better, creates a way of thinking about things that I think is helpful in all domains.

If you go back to 1800, everybody was poor. I mean everybody. The Industrial Revolution kicked in, and a lot of countries benefited, but by no means everyone.

The phenomenal generosity of the United States in its aid budget towards health issues is the best in the world. You can look at that broadly, you can look at it in terms of HIV, the PEPFAR money which came together in a Republican administration with bipartisan support.