The general tendency of evolution is from structure to function, from bondage to freedom of the individual elements.
Boris SidisThe 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.
Boris SidisHuman institutions depend for their existence and stability on the impulse of self-preservation and its close associate, - the fear instinct.
Boris SidisMental synthesis of psychic content in the unity of a moment-consciousness is a fundamental principle of psychology.
Boris Sidis