We are social animals who use language to decide on rules that the whole group must follow, and we use the threat of collective punishment to enforce these rules against even the strongest individuals. And although our rules vary from group to group, there are many rules—like those prohibiting rape and murder—that are universal to all human cultures.

Kevin Simler and Robin Hanson, The Elephant in the Brain: Hidden Motives in Everyday Life, Oxford, 2017, p. 51