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

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

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.

Being an only child is a disease in itself.

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

There is no more wild, free, vigorous growth of the forest, but everything is in pots or rows like a rococo garden... The pupil is in the age of spontaneous variation which at no period of life is so great. He does not want a standardized, overpeptonized mental diet. It palls on his appetite.