Of the great entrepreneurs of this era, people will have forgotten Steve Jobs.

The key to good decision making is not knowledge. It is understanding. We are swimming in the former. We are desperately lacking in the latter.

I'm convinced that ideas and behaviors and new products move through a population very much like a disease does.

Living a long life, the conventional wisdom at the time said, depended to a great extent on who we were-that is, our genes. It depended on the decisions we made-on what we chose to eat, and how much we chose to exercise, and how effectively we were treated by the medical system. No one was used to thinking about health in terms of community.

Does that mean we should give up? Probably. But there are two issues worth considering. The first is - is it really true that drugs destroy the integrity of the game?

The key to good decision making is not knowledge... It's whether our work fulfills us.

Often a sign of expertise is noticing what doesn't happen.