“So children learn the moral values of their society,” I said. “Yes, and this makes human aggression worse than that of other species because we may act aggressively knowing full well that it is morally wrong—at least what we believe is morally wrong. For this reason I believe that only humans are capable of true evil—only we can sit down and, in cold blood, work out ways to torture people, to inflict pain. Carefully plan horrific cruelty.”
