You must distinguish between the unclean and the clean, between animals that may be eaten and those that may not.’”
Here is, I. The exposition of this law, or a key to let us into the meaning of it. It was not intended merely for a bill of fare, or as the directions of a physician about their diet, but God would hereby teach them to sanctify themselves and to be holy, Lev 11:44. That is, 1.
Commenting on Leviticus 11:43-47
To make a difference between the unclean and the clean,.... Whether of beasts, fish, fowl, and flying creeping things: and between the beast that may be eaten, and the beast that may not be eaten; the former clause takes in all in general, this instances in a particular sort of creatures; and the first mentioned of which, that might be eaten, are, that part the...
make a difference between the unclean and the clean--that is, between animals used and not used for food. It is probable that the laws contained in this chapter were not entirely new, but only gave the sanction of divine enactment to ancient usages.