Suggestibility varies as the amount of disaggregation, and inversely as the unification of consciousness.

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

Suggestibility varies as the amount of disaggregation, and inversely as the unification of consciousness.

Science is the description of phenomena and the formulation of their relations.

Social laughter is momentary, soon burns itself out and passes away like the fire and smokes of straw, but genius shakes the very skies with its lasting, inextinguishable laughter.

Psychology is the science of psychic states both as to content and form, regarded from an objective standpoint, and brought in relation to the living corporeal individual.

Not purpose but chance is at the heart of mental life.