Leviticus 18:24-28

24“Do not become unclean in any of these ways. By these practices all the nations which I am forcing out of your way have become unclean.

25The land has become unclean. I will punish it for its sins. The land will vomit out those who live in it.

26Live by my standards, and obey my rules. Neither you nor any foreigner should ever do any of these disgusting things.

27The people of the land who were there before you did all these disgusting things. As a result, the land has become unclean.

28If you make the land unclean, it will vomit you out as it has vomited out the people who were there before you.