I'm invested in a lot of battery companies - and there's a lot that exists I'm not in.

I see little commercial potential for the Internet for at least ten years.

With nuclear weapons, you'd think you would probably stop after killing 100million. Smallpox won't stop. Because the population is naïve, and there are no real preparations. That, if it got out and spread, would be a larger number.

I'm a great believer that any tool that enhances communication has profound effects in terms of how people can learn from each other, and how they can achieve the kind of freedoms that they're interested in.

Convert bad news to good news.

The general idea of the rich helping the poor, I think, is important.

Measles will always show you if someone isn't doing a good job on vaccinations. Kids will start dying of measles.