Leviticus 20:25

25You are therefore to make a distinction between the clean animal and the unclean, and between the unclean bird and the clean; and you shall not make 20:25 Lit your soulsyourselves detestable by animal or by bird, or by anything 20:25 Lit with which the ground crawlsthat crawls on the ground, which I have distinguished for you as unclean.