Leviticus 11:44

11:44 for I am the Lord your God and you are to sanctify yourselves and be holy because I am holy. You must not defile yourselves by any of the swarming things that creep on the ground,

Leviticus 18:30

18:30 You must obey my charge to not practice any of the abominable statutes that have been done before you, so that you do not defile yourselves by them. I am the Lord your God.’”

Leviticus 21:1

Rules for the Priests

21:1 The Lord said to Moses: “Say to the priests, the sons of Aaron – say to them, ‘For a dead person no priest is to defile himself among his people,