Genius of AND. Embrace both extremes on a number of dimensions at the same time. Instead of choosing a OR B, figure out how to have A AND B-purpose AND profit, continuity AND change, freedom AND responsibility, etc.

Level 5 leaders channel their ego needs away from themselves and into the larger goal of building a great company. It's not that Level 5 leaders have no ego or self-interest. Indeed, they are incredibly ambitious-but their ambition is first and foremost for the institution, not themselves.

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.

Bad decisions made with good intentions, are still bad decisions.

The people who don't have a great life are the ones who settle for a good one.

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.

Faith in the endgame helps you live through the months or years of buildup.