Numbers 31:24 in the King James Version
And ye shall wash your clothes on the seventh day, and ye shall be clean, and afterward ye shall come into the camp.
Context
23 everything that may withstand the fire, you shall make to go through the fire, and it shall be clean; nevertheless it shall be purified with the water for impurity. All that doesn’t withstand the fire you shall make to go through the water.
24 You shall wash your clothes on the seventh day, and you shall be clean. Afterward you shall come into the camp.”
25 The LORD spoke to Moses, saying,