I think when smallpox was eliminated, the whole world got pretty excited about that because it’s just such a dramatic success.

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're smart, you often want a feedback loop so you know if what you've done is... is right.

The US spends more on energy R&D than all other countries put together, and I personally consider it quite inadequate. In fact, I would have said we should more than double it, if I thought the absorptive capacity could scale up and if it was actually possible to get to that level.

Over 80% of the poor are people who have small plots of land and grow their own food and they don't grow enough to sell much into the marketplace. So they will be hit hard by the worst in climate. They really get hit hard starting in the 20-year time frame and thereafter.

Whenever there is hard work to be done, I assign it to the laziest man as he is sure to find an easy way of doing it. Be lazy, think crazy.

Success is a lousy teacher. It makes you think you know what you're doing.