Numbers 31:19-21

New Catholic Bible

¹⁹ Purification after Battle.^[a]“Any of you who has killed a person and anyone who has touched any of those who have been killed must stay outside of the camp for seven days. You are to purify yourself and your captives on the third and the seventh days. ²⁰ Purify all of your clothes as well as all of your leather goods and everything made from goat hair and everything made from wood.”

²¹ Then Eleazar said to the men of war who had gone into battle: “This is a statute of the law which the Lord has commanded Moses: