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.

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

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

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

The recognition, the diagnosis, and the preservation of psychopathic individuals account for the apparent increase of neurotics in civilized communities.

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

Mental synthesis of psychic content in the unity of a moment-consciousness is a fundamental principle of psychology.

The main source of psychopathic diseases is the fundamental instinct of fear with its manifestations, the feeling of anxiety, anguish, and worry.

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

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 general tendency of evolution is from structure to function, from bondage to freedom of the individual elements.

You are what you are, and what you are is not me!

The selfish and self-centered have a hard time being kind, even though you and I know that kindness is a source of relief to the soul.

A disloyal friend is no friend.

Wealth is the number of things one can do without.

I have a right to be blind sometimes.

To live is nothing more than to come here to die, to be what we were before being born, but with apprenticeship, experience, knowledge of cause, and perhaps with will.

It was just a kiss – " "Yeah, and King Kong was just a monkey.

If you are not successful, that means you're not making enough mistakes.

To take away (voting) is to reduce a man to slavery.

I used to be more self-conscious about style because when you're younger, you want to exist, you want to show everything you do.