Augustine of Hippo : At that time the Lord separated the tribe of Levi to carry the ark of the covenant of the Lord, to be in the presence of the Lord, to serve and pray in his name to this day. That is why the Levites have no part or inheritance with their brothers; the Lord is his part, as he told you. If this tribe did not mean the entire royal priesthood, which belongs to the New Testament, no one who was not from that tribe would have dared to say: My part is the Lord, (Ps. 72,26) and in another psalm: The Lord is the part of my inheritance (Ps. 15,5). — QUESTIONS ON DEUTERONOMY, Q. 16 (tr. J. Litteral, draft)