1 Esdras 1:4-6

Revised Standard Version

⁴ and he said, “You need no longer carry it upon your shoulders. Now worship the Lord your God and serve his people Israel; and prepare yourselves by your families and kindred, ⁵ in accordance with the directions of David king of Israel and the magnificence of Solomon his son. Stand in order in the temple according to the groupings of the fathers’ houses of you Levites, who minister before your brethren the people of Israel, ⁶ and kill the passover lamb and prepare the sacrifices for your brethren, and keep the passover according to the commandment of the Lord which was given to Moses.”