I'd honestly swap your examples around. "Thou shalt not Kill" provides for stability that enables for long-term societies to develop. "Thou shalt have only on

I'd honestly swap your examples around. "Thou shalt not Kill" provides for stability that enables for long-term societies to develop. "Thou shalt have only one wife" just sounds like a rule made up by someone who wouldn't have a wife if Jerry next door was allowed to have two.