"If children were brought into the world by an act of pure reason, would the human race exist? Would not everyone rather have so much sympathy with the coming generation as to spare it the burden of ex…"

"The world is a prison in which solitary confinement is preferable."

"The state is merely a large-scale institution for the prevention of crime, and as such is a necessary evil."

"The more original a man is, the more he will be alone."

"The fundamental error of all previous philosophy has been to regard man as a rational being."