Philanthropy should be voluntary.

Anyone who spends their life on a computer is pretty unusual.

The close relationships we form between researchers and product groups have already shown we can move the great ideas as they come along, without a schedule, into the products.

We got a malaria initiative, really a phenomenal time, even though in the early stages there was some uncertainty. Then of course [Barack] Obama, although he had budget constraints, he believed in these things; a lot of new initiatives, including in agriculture.

Something like Windows is still an unbelievable asset but because the world is somewhat phone-centric, it's an asset that has to be managed very carefully to make sure that it's extended, and there are very interesting things that are being done with that.

The world today has 6.8 billion people...that's headed up to about 9 billion. If we do a really great job on vaccines, health care, reproductive health services, we could lower that by perhaps 10 to 15 percent.

One of the wonderful things about the information highway is that virtual equity is far easier to achieve than real-world equity...We are all created equal in the virtual world and we can use this equality to help address some of the sociological problems that society has yet to solve in the physical world.