Numbers 8:4-6

Young's Literal Translation

⁴ And this [is] the work of the candlestick: beaten work of gold; unto its thigh, unto its flower it [is] beaten work; as the appearance which Jehovah shewed Moses, so he hath made the candlestick.

⁵ And Jehovah speaketh unto Moses, saying,

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