Now, we put out a lot of carbon dioxide every year, over 26 billion tons. For each American, it's about 20 tons. For people in poor countries, it's less than one ton. It's an average of about five tons for everyone on the planet. And, somehow, we have to make changes that will bring that down to zero.

The most important 'speed' issue is often not technical but cultural. It's convincing everyone that the company's survival depends on everyone moving as fast as possible.

We are seeing pioneers moving out to the Internet, banks that are taking transactions, retail shopping on the Internet, and although it's going to take most of a decade before most adults are turning to the Internet for a high percentage of their act

A company's ability to respond to an unplanned event, good or bad is a prime indicator of its ability to compete.

If you believe that all men are created equal, then a child's death in some other country is no less tragic than in the United States.

The billion people who wake up every day trying to figure out if they have enough food to eat won't be at Davos.

Cutting through complexity to find a solution runs through four predictable stages: determine a goal, find the highest-leverage approach, discover the ideal technology for that approach, and in the meantime, make the smartest application of the technology that you already have - whether it's something sophisticated, like a drug, or something simpler, like a bednet.