Ignorance per se is not nearly as dangerous as ignorance of ignorance.

Isolation always perverts; when a man lives only among his own sort, he soon begins to believe that his sort are the best sort. This attitude breeds both the arrogance of the conservative and the bitterness of the radical.

Any philosophy that can be put in a nutshell belongs there.

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.

The main discomfort in being a middle-of-the-roader is that you get sideswiped by partisans going in both directions.

Elitism is the slur directed at merit by mediocrity.

The best combination of parents consists of a father who is gentle beneath his firmness, and a mother who is firm beneath her gentleness.