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 a… - Boris Sidis

The fact that psychology postulates an external material world and studies it in so far as it comes to be reflected in consciousness, points to another postulate which psychology must assume in addition, namely, the existence of an inner world consciousness.

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.

If ceaseless vigilance is the price of liberty, more so is it true that ceaseless criticism of ever new opinions and ever new views, however distasteful, bizarre, and paradoxical, is the price of truth.