With nuclear weapons, you'd think you would probably stop after killing 100million. Smallpox won't stop. Because the population is naïve, and there are no real preparations. That, if it got out and spread, would be a larger number.

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.

It is my belief that industry and government around the world should work even more closely to protect the privacy and security of Internet users, and promote the exchange of ideas, while respecting legitimate government considerations.

(On being the world's richest man) I wish I wasn't ... There's nothing good that comes out of that. You get more visibility as a result of it.

Some people read off of their Palms and Pocket PCs, but the real immersible reading experience takes a full-screen device.

There's life and death in every email.

The tool that's most associated with the recent progress against malaria is the long-lasting bed net. Bed nets are a fantastic innovation. But we can do even better. We can invent new ways to control the mosquitoes that carry the malaria parasite.