Numbers 8:5-7

Young's Literal Translation

⁵ And Jehovah speaketh unto Moses, saying,

⁶ `Take the Levites from the midst of the sons of Israel, and thou hast cleansed them.

⁷ `And thus thou dost to them to cleanse them: sprinkle upon them waters of atonement, and they have caused a razor to pass over all their flesh, and have washed their garments, and cleansed themselves,