You shall not make yourselves abominable with any creeping thing that creeps; nor shall you make yourselves unclean with them, lest you be defiled by them.
Leviticus 11:43
Surrounding context
11:42 Whatever crawls on its belly, whatever goes on all fours, or whatever has many feet among all creeping things that creep on the earth--these you shall not eat, for they are an abomination.
11:43 You shall not make yourselves abominable with any creeping thing that creeps; nor shall you make yourselves unclean with them, lest you be defiled by them.
11:44 For I am the LORD your God. You shall therefore consecrate yourselves, and you shall be holy; for I am holy. Neither shall you defile yourselves with any creeping thing that creeps on the earth.