Leviticus 21:8, 15, 23

Regard them as holy, because they offer up the food of your God. Consider them holy, because I the LORD am holy—I who make you holy.

so that he will not defile his offspring among his people. I am the LORD, who makes him holy.’ ”

yet because of his defect, he must not go near the curtain or approach the altar, and so desecrate my sanctuary. I am the LORD, who makes them holy.’ ”