"The human being is a machine. An automatic machine. It does not reason. It merely acts upon the impulse of the moment."

"The human race is a race of cowards, and I am not ashamed to say it."

"I am quite sure now that often, very often, in matters concerning religion and politics a man's reasoning powers are not above the monkey's."

"It takes a heap of sense to write good nonsense."

"Familiarity breeds contempt—and children."