20. Priests must never shave their heads when they are mourning. But they must keep their hair properly trimmed and not let it grow too long.
21. They must not drink wine before going to the inner courtyard.
22. A priest must not marry a divorced woman; he can marry only a virgin from Israel or the widow of another priest.
23. Priests must teach my people the difference between what is sacred and what is ordinary, and between what is clean and what is unclean.
24. They will make decisions in difficult legal cases, according to my own laws. They must also observe the religious festivals my Law requires and must always respect the Sabbath.
25. Touching a dead body will make a person unclean. So a priest must not go near a dead body, unless it is one of his parents or children, or his brother or unmarried sister.