Arthur Schopenhauer — "The world is not to be enjoyed, but to be overcome."

"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."

"Monotheism is a great evil. It has caused more wars and bloodshed than any other religion."

"She pays the debt of life not by what she does but by what she suffers—by the pains of child-bearing, care for the child, and by subjection to man, to whom she should be a patient and cheerful compani…"

"The state is nothing but a large-scale institution for the protection of property."

"The ultimate aim of all love affairs ... is more important than all other aims in man's life; and therefore it is quite worthy of the profound seriousness with which everyone pursues it."