23
And the LORD spoke to Moses, saying,
24
"This applies to the Levites: 1from twenty-five years old and upward they shall come to do duty in the service of the tent of meeting.
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And from the age of fifty years they shall withdraw from the duty of the service and serve no more.
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They minister to their brothers in the tent of meeting 2by keeping guard, but they shall do no service. Thus shall you do to the Levites in assigning their duties."