With the sense of sight, the idea communicates the emotion, whereas, with sound, the emotion communicates the idea, which is more direct and therefore more powerful.

In a sense, knowledge shrinks as wisdom grows, for details are swallowed up in principles. The details for knowledge which are important, will be picked up ad hoc in each avocation of life, but the habit of the active utilization of well-understood principles is the final possession of WISDOM.

The vigor of civilized societies is preserved by the widespread sense that high aims are worth-while.

The fixed person for the fixed duties who in older societies was such a godsend, in future will be a public danger.

Everything of importance has been said before by somebody who did not discover it.

The art of progress is to preserve order amid change and to preserve change amid order.

Learning preserves the errors of the past as well as its wisdom.