Not purpose but chance is at the heart of mental life. - Boris Sidis

It is time that the medical and teaching profession should realize that functional neurosis is not congenital, not inborn, not hereditary, but is the result of a defective, fear-inspiring education in early child life.

The principle of recognition of evil under all its guises is at the basis of the true education of man.

Psychology is the science of psychic states both as to content and form, regarded from an objective standpoint, and brought in relation to the living corporeal individual.