I believe in innovation and that the way you get innovation is you fund research and you learn the basic facts.

The US spends more on energy R&D than all other countries put together, and I personally consider it quite inadequate.

If you believe that every life has equal value, it’s revolting to learn that some lives are seen as worth saving and others are not. We said to ourselves: “This can’t be true. But if it is true, it deserves to be the priority of our giving.”

China adopted a capitalist system in the 1980s, and they went from a 60% poverty rate to 10%.

WWW? Nice toy, but what a waste of time.

At Microsoft there are lots of brilliant ideas but the image is that they all come from the top - I'm afraid that's not quite right.

Ninety percent of the cases of polio are in security-vulnerable areas.