Self-preservation is the central aim of all life-activities. - Boris Sidis

Human institutions depend for their existence and stability on the impulse of self-preservation and its close associate, — the fear instinct.

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.

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.