and that they should keep the charge of the tent of meeting, and the charge of the holy place, and the charge of the sons of Aharon their brothers, for the service of the house of the LORD.
You and your sons with you shall keep your priesthood for everything of the altar, and for that within the veil; and you shall serve: I give you the priesthood as a service of gift: and the stranger who comes near shall be put to death.
but shall minister with their brothers in the Tent of Meeting, to keep the charge, and shall do no service. Thus shall you do to the Levites concerning their duties.*