At it's highest level, the purpose of teaching is not to teach—it is to inspire the desire for learning. Once a student's mind is set on fire, it will find a way to provide its own fuel.

When a baseball player makes an error, it goes into the record and is published. How many of us could stand this sort of daily scrutiny?

Real loneliness consists not in being alone, but in being with the wrong person, in the suffocating darkness of a room in which no deep communication is possible.

The truest test of independent judgment is being able to dislike someone who admires us, and to admire someone who dislikes us.

If the devil could be persuaded to write a bible, he would title it, "You Only Live Once."

When we inform, we lead from strength; when we communicate, we lead from weakness—and it is precisely this confession of mortality that engages the ears, heads and hearts of those we want to enlist as allies in a common cause.

Sometimes the best, and only effective, way to kill an idea is to put it into practice.