24 These were the sons of Levi after their fathers' houses, even the heads of the fathers' [houses] of those of those who were counted, in the number of names by their polls, who did the work for the service of the house of Yahweh, from twenty years old and upward.
25 For David said, Yahweh, the God of Israel, has given rest to his people; and he dwells in Jerusalem forever:
26 and also the Levites shall no more have need to carry the tent and all the vessels of it for the service of it.
27 For by the last words of David the sons of Levi were numbered, from twenty years old and upward.
28 For their office was to wait on the sons of Aaron for the service of the house of Yahweh, in the courts, and in the chambers, and in the purifying of all holy things, even the work of the service of the house of God;