In a living civilization there is always an element of unrest, for sensitiveness to ideas means curiosity, adventure, change. Civilized order survives on its merits and is transformed by its power of recognizing its imperfections.

[In many circumstances,] the most important thing about a proposition is not that it be true, but that it be interesting.

In a certain sense, everything is everywhere at all times. For every location involves an aspect of itself in every other location. Thus every spatio-temporal standpoint mirrors the world

Speak out in acts; the time for words has passed, and only deeds will suffice.

Each generation criticizes the unconscious assumptions made by its parent. It may assent to them, but it brings them out in the open.

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.

All practical teachers know that education is a patient process of mastery of details, minute by minute, hour by hour, day by day.