1 Esdras 1:4–5

⁴And said, Ye shall no more bear the ark upon your shoulders: now therefore serve the Lord your God, and minister unto his people Israel, and prepare you after your families and kindreds, ⁵According as David the king of Israel prescribed, and according to the magnificence of Solomon his son: and standing in the temple according to the several dignity of the families of you the Levites, who minister in the presence of your brethren the children of Israel,