Psychology must postulate uniformity of interrelation of physical, physiological, and psychic processes.
Boris SidisHuman institutions depend for their existence and stability on the impulse of self-preservation and its close associate, - the fear instinct.
Boris SidisThe main source of psychopathic diseases is the fundamental instinct of fear with its manifestations, the feeling of anxiety, anguish, and worry.
Boris SidisSuggestibility varies as the amount of disaggregation, and inversely as the unification of consciousness.
Boris Sidis