The world has been very careful to pick very few diseases for eradication, because it is very tough.

I think any statement about stock prices is always suspect unless it's made by Warren Buffett.

About three million computers get sold every year in China, people don't pay for the software. Someday they will, though. And as long as they're going to steal it, we want them to steal ours. They'll get sort of addicted, and then we'll somehow figure out how to collect sometime in the next decade.

In almost every area of human endeavor, the practice improves over time. That hasn't been the case for teaching.

Being maniacal about something is very helpful.

When you have a product that has zero sales, it is easy for people to say whatever they want about it and almost fantasize about it.

The great thing about a computer notebook is that no matter how much you stuff into it, it doesn't get bigger or heavier.