Good is the enemy of great. And that is one of the key reasons why we have so little that becomes great. We don't have great schools, principally because we have good schools. We don't have great government, principally because we have good government. Few people attain great lives, in large part because it is just so easy to settle for a good life.

If you have a charismatic cause you don't need to be a charismatic leader.

First figure out your partners, then figure out what ideas to pursue. The most important thing isn't the market you target, the product you develop or the financing, but the founding team.

Change your practices without abandoning your core values.

Look, I don't really know where we should take this bus. But I know this much: If we get the right people on the bus, the right people in the right seats, and the wrong people off the bus, then we'll figure out how to take it someplace great.

By definition, it is not possible to everyone to be above the average.

I am completely Socratic.