Leviticus 18:24-26

24“ ‘Do not defile yourselves in any of these ways, because this is how the nations that I am going to drive out before you became defiled. 25Even the land was defiled; so I punished it for its sin, and the land vomited out its inhabitants. 26But you must keep my decrees and my laws. The native-born and the foreigners residing among you must not do any of these detestable things,