Human nature (n.) does not exist, because there is no God to have a conception of it.
Human nature (n.) is what people invoke — "How like human nature!" — to excuse the repulsive, the same people who then call existentialism too gloomy.
Human nature (n.) is not existing. Man is free, man is freedom. Man simply is. He is what he wills.
Human nature (n.) is bad and must be restrained by rigorous institutions and supported by real property, and the workers too are envious little entrepreneurs.
Human nature (n.) common to the Murians and to contemporary historical man cannot be found — yet the ethnologist and the young Murians speaking of their gothul can still understand each other: no common nature, but an always possible communication.