The returns from investing in poor people are just as great as the returns from investing in the business world... and have even more meaning

The most important people is to pick people who like to write software and who are good at... good developers like working with each other. And they... they reinforce each other's skills.

DNA is like a computer program but far, far more advanced than any software ever created.

We will never make a 32-bit operating system.

I think given all the different imperatives - getting energy to Africa, security of energy, climate change, that we should be spending half as much as we spend on health, which will get you all the way up to $15 billion - the health people don't like it when things get compared to their number.

There's no magic line between an application and an operating system that some bureaucrat in Washington should draw.

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.