If empathy channels our optimism, we will see the empathy and the diseases and the poor school. We will answer with our innovations and we will surprise the pessimists.

How we deal with the AIDS epidemic should be one of the greatest ways that the world gets measured. The report card for this era.

I mean, if we said right now, there's somebody in the next room who's dying, let's all go save their life, you know, everybody would just get up immediately and go get involved in that.

In business, the idea of measuring what you are doing, picking the measurements that count like customer satisfaction and performance... you thrive on that.

When I was young I liked taking tests. I happened to be good at it. Certain subjects came easily, like math. All the science stuff. I would just read the textbooks in the first few days of class.

The potential financial reward for building the 'next Windows' is so great that there will never be a shortage of new technologies seeking to challenge it.

People are building the software and so having the pieces be such that a single person understands all the tradeoffs and everything that's going on in a piece is extremely valuable. It avoids getting into an experimental mode where you're just trying things out. That never works.