If you think your teacher is tough, wait till you get a boss.

AIDS itself is subject to incredible stigma.

China and the U.S. need each other very badly. Yes, we should argue about some things, but it's not an 'us versus them,' it's an 'us and them' type scenario.

There's only one trick in software, and that is using a piece of software that's already been written.

People can criticize Microsoft for supporting this TV thing for the past eight years, but it is a long-term bet, There is not any other software business that is as dedicated to the vision of the TV and the PDA [personal digital assistant] as we are.

If something's expensive to develop, and somebody's not going to get paid, it won't get developed. So you decide: Do you want software to be written, or not?

Anything you do, you better enjoy it for its value. Because people are going to second-guess everything you do.