2 Bible Verses about Priesthood, In Ot

since God pronounced him a high priest of the priesthood of Melchizedek.

Now if anything final had been really accomplished through the Levitical priesthood, for even the giving of the Law was based upon it, what further need would there have been of appointing a different priest of the priesthood of Melchizedek, instead of choosing one of the priesthood of Aaron? For when there is a change in the priesthood, a change necessarily takes place in the Law as well. For he of whom all this was said was related to a tribe no member of which ever officiated at the altar.read more.
For it is perfectly clear that our Lord sprang from the tribe of Judah, with reference to which Moses said nothing at all about priests. The point is still more clear in view of the fact that the appointment of the new priest resembles that of Melchizedek, for he is appointed not for possessing any legal physical qualifications, but by virtue of a life that cannot end. For the psalm bears witness, "You are a priest forever, of the priesthood of Melchizedek!"