Numbers 31:23-25

New Catholic Bible

²³ and anything else that can withstand fire will be pure if you pass it through fire. However, it must also be purified with the water of purification. Whatever cannot withstand fire must pass through water. ²⁴ You will wash your clothes on the seventh day, and you will be pure, and you can then enter the camp.”

²⁵ Dividing the Spoils. The Lord spoke to Moses, saying,