Every theory of love, from Plato down teaches that each individual loves in the other sex what he lacks in himself.
Being an only child is a disease in itself.
.. every step of the upward way is strewn with wreckage of body, mind, and morals.
Of all work-schools, a good farm is probably the best for motor development.
Normal children often pass through stages of passionate cruelty, laziness, lying and thievery.
The years from about eight to twelve constitute a unique period of human life.