Muscles are in a most intimate and peculiar sense the organs of the will. They have built all the roads, cities and machines in the world, written all the books, spoken all the words, and, in fact done everything that man has accomplished with matter. Character might be a sense defined as a plexus of motor habits.

Normal children often pass through stages of passionate cruelty, laziness, lying and thievery.

Adolescence as the time when an individual ‘recapitulates’ the savage stage of the race’s past.

This splendid subject [mathematics], queen of all exact sciences, and the ideal and norm of all careful thinking.

.. every step of the upward way is strewn with wreckage of body, mind, and morals.

Puberty for a girl is like floating down a broadening river into an open sea.

Education has now become the chief problem of the world, its one holy cause. The nations that see this will survive, and those that fail to do so will slowly perish. . . . There must be re-education of the will and of the heart as well as of the intellect; and the ideals of service must supplant those of selfishness and greed.