Leviticus 11:46-47 Douay-Rheims Challoner Revision 1752 (DRC1752)

46. You shall be holy, because I am holy. This is the law of beasts and fowls, and of every living creature that moveth in the waters, and creepeth on the earth:

47. That you may know the differences of the clean, and unclean, and know what you ought to eat, and what to refuse.

Leviticus 11