It's fine to celebrate success but it is more important to heed the lessons of failure.

The willingness to hear hard truth is vital not only for CEOs of big corporations but also for anyone who loves the truth. Sometimes the truth sounds like bad news, but it is just what we need.

Something like Windows is still an unbelievable asset but because the world is somewhat phone-centric, it's an asset that has to be managed very carefully to make sure that it's extended, and there are very interesting things that are being done with that.

Software was changing so fast, so unbelievable, that that got very quick adoption.

I think it's fair to say that personal computers have become the most empowering tool we've ever created. They're tools of communication, they're tools of creativity, and they can be shaped by their user.

If you count E-mail, I'm on the Internet all day, every day.

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.