Leviticus 21:23

only he shall not go near the veil or approach the altar, because he has a defect, lest he profane My sanctuaries; for I the LORD sanctify them."'

Surrounding context

21:22 He may eat the bread of his God, both the most holy and the holy;

21:23 only he shall not go near the veil or approach the altar, because he has a defect, lest he profane My sanctuaries; for I the LORD sanctify them."'

21:24 And Moses told it to Aaron and his sons, and to all the children of Israel.

Translation and sources