Leviticus 21:8, 15, 23

Treat him as holy, because he offers up the food of your God. Think of him as holy; I am the LORD who makes you holy, and I am holy.

so the people will respect his children as his own. I am the LORD. I have set the high priest apart for his special job.’ ”

But he may not go through the curtain into the Most Holy Place, and he may not go near the altar, because he has something wrong with him. He must not make my Holy Place unfit. I am the LORD who makes these places holy.’ ”