The ideal thing would be to have a 100 percent effective AIDS vaccine. And to have broad usage of that vaccine. That would literally break the epidemic.

The most interesting biofuel efforts avoid using land that's expensive and has high opportunity costs. They do this by getting onto other types of land, or taking advantage of byproducts that aren't used in the food chain today, or by intercropping.

How you gather, manage, and use information will determine whether you win or lose.

The most important work I got a chance to be involved in, no matter what I do, is the personal computer... I even knew not to get married until later because I was so obsessed with it. That's my life's work.

No one person controls Microsoft. The board and the shareholders decide whether they want to have me as CEO.

Whatever they announce, they announce. They're in their honeymoon period, and anything they announce gets hype ... They will obviously branch out beyond Internet search, but I think the expectations won't live up to reality.

I'd be happy if I could think that the role of the library was sustained and even enhanced in the age of the computer.