"Superstitions, and especially the early cultivation of religion, with its “fear of the Lord” and of unknown mysterious agencies, are especially potent in the development of the instinct of fear. Even the early cultivation of morality and conscientiousness, with their fears of right and wrong, often causes psychoneurotic states in later life. Religious, social, and moral taboos and superstitions, associated with apprehension of threatening impending evil, based on the fear instinct, form the germs of psychopathic affections."

“It is not the citizen, or a taxpayer, or voter, or office-holder, but the cultivated, free individual who is the true aim of all social progress.”

“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 tendency of life is not the preservation of the species, but solely the preservation of each individual organism, as long as it is in existence at all, and is able to carry on its life processes.”

“The course of evolution is to a greater integration of similarly functioning ganglia.”

“The Boris Sidis Archive at the Sidis website”

“The general tendency of evolution is from structure to function, from bondage to freedom of the individual elements.”