Until we're educating every kid in a fantastic way, until every inner city is cleaned up, there is no shortage of things to do.

I have been struck again and again by how important measurement is to improving the human condition.

Bridge is one of the last games in which the computer is not better.

It's the knowledge derived from information that gives you a competitive edge.

I remember thinking quite logically that I didn't want to spoil my children with wealth and so that I would create a foundation, but not knowing exactly what it would focus on.

What's amazing is, if young people understood how doing well in school makes the rest of their life so much interesting, they would be more motivated. It's so far away in time that they can't appreciate what it means for their whole life.

The US spends more on energy R&D than all other countries put together, and I personally consider it quite inadequate.