Art and science have their meeting point in method.

In science, read, by preference, the newest works in literature, the oldest. The classic literature is always modern.

Power is so characteristically calm, that calmness in itself has the aspect of strength.

The best teacher is the one who suggests rather than dogmatizes, and inspires his listener with the wish to teach himself.

There is nothing so agonizing to the fine skin of vanity as the application of a rough truth.