Because men, compared to male chimps, have such relatively small testicles (large testicles indicate a species where many males mate, one after the other, with the same female), we might guess that promiscuous societies were uncommon in the immediate human past.
...the life which is best for men, both separately, as individuals, and in the mass, as states, is the life which has virtue sufficiently supported by material resources to facilitate participation in the actions that virtue calls for.
He is the rich man in whom the people are rich, and he is the poor man in whom the people are poor; and how to give access to themasterpieces of art and nature, is the problem of civilization.
Man is guided by the stomach. He walks and the stomach goes first and the head afterwards. Have you not seen that? It will take ages for the head to go first.
A method of procuring sensations? Do you think then, that a man who has once committed a murder could possibly do the same crime again? Don't tell me that." says Dorian. "Oh! anything becomes a pleasure if one does it too often," says Lord Henry