"The State in its essence is merely an institution existing for the purpose of protecting its members against outward attack or inward dissension. It follows from this that the ultimate ground on which…"

"The life of an individual is a constant struggle, and not merely a metaphorical one against want or boredom, but also an actual struggle against other people. He discovers adversaries everywhere, live…"

"It is only the man whose intellect is clouded by his sexual impulses that could give the name of the fair sex to that undersized, narrow-shouldered, broad-hipped, and short-legged race."

"The brain is a parasite of the organism."

"The greatest curse of man is that he cannot get rid of himself."