nor shall you accept any such animals from a foreigner to offer as food to your God; since they are mutilated, with a blemish in them, they shall not be accepted in your behalf.
in admitting foreigners, uncircumcised in heart and flesh, to be in my sanctuary, profaning my temple when you offer to me my food, the fat and the blood. You have broken my covenant with all your abominations.
They shall be holy to their God, and not profane the name of their God; for they offer the Lord's offerings by fire, the food of their God; therefore they shall be holy.
a reminder to the Israelites that no outsider, who is not of the descendants of Aaron, shall approach to offer incense before the Lord, so as not to become like Korah and his company—just as the Lord had said to him through Moses.
remember that you were at that time without Christ, being aliens from the commonwealth of Israel, and strangers to the covenants of promise, having no hope and without God in the world.