My sons, do not be negligent any longer, for it is you whom the Lord has chosen to stand before him, to minister to him, to be his ministers and to offer incense.”
The priest who performs the purification ceremony shall place the person who is being purified, as well as all these offerings, before the Lord at the entrance of the tent of meeting.
He will sit refining and purifying silver, and he will purify the Levites, Refining them like gold or silver, that they may bring offerings to the Lord in righteousness.
At that time the Lord set apart the tribe of Levi to carry the ark of the covenant of the Lord, to stand before the Lord to minister to him, and to bless in his name, as they have done to this day.