The deepest and rarest kind of courage has nothing to do with feats or obstacles in the outside world; and, indeed, has nothing to do with the outside world - it is the courage to be who you are.

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

When we have "second thoughts" about something, our first thoughts don't seem like thoughts at all - just feelings.

Much as a teacher may wince at the thought, he is also an entertainer—for unless he can hold his audience, he cannot really instruct or edify them.

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.

By the time a man asks you for advice, he has generally made up his mind what he wants to do, and is looking for confirmation rather than counseling.

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.