Numbers 31:19-21

New Revised Standard Version, Anglicised

¹⁹ Camp outside the camp for seven days; whoever of you has killed any person or touched a corpse, purify yourselves and your captives on the third and on the seventh day. ²⁰ You shall purify every garment, every article of skin, everything made of goats’ hair, and every article of wood.’

²¹ Eleazar the priest said to the troops who had gone to battle: ‘This is the statute of the law that the Lord has commanded Moses: