The man of genius whether as artist or thinker requires a mass of accidental variations to select from and a rigidly selective process of attention.

The principle of recognition of evil under all its guises is at the basis of the true education of man.

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

If society is to progress on a truly humanistic basis, without being subject to mental epidemics and virulent social diseases to which the subconscious falls an easy victim, the personal consciousness of every individual should be cultivated to the highest degree possible.

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

Psychology must postulate uniformity of interrelation of physical, physiological, and psychic processes.

The course of evolution is to a greater integration of similarly functioning ganglia.