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

If you play an audiotape of a yawn to blind people, they'll yawn too.

If people disobey, don't ask what is wrong with them, ask what's wrong with their leaders.

We vary greatly in the natural advantages that we've been given. The world's not fair

We spend a lot of time and effort trying to figure out who's going to be a good NFL quarterback, and we do a very bad job of it. We don't really know. And we also spend a lot of time trying to figure out who will be a good teacher, and we're really bad at that too. We don't know if someone is going to be a good teacher when they start teaching. So what should we do in those situations in which predictions are useless?

Success is not a random act. It arises out of a predictable and powerful set of circumstances and opportunities.

The great accomplishment of Jobs's life is how effectively he put his idiosyncrasies - his petulance, his narcissism, and his rudeness - in the service of perfection.