2 Bible Verses about Priesthood, In Ot

being designated by God as a high priest according to the order of Melchizedek.

Now if perfection could have been through the Levitical priesthood (for on the basis of it the people received the Law), what further need was there for another priest to arise according to the order of Melchizedek, and not one designated according to the order of Aaron? For when there is a change of the priesthood, there must also be a change of the law. For the one of whom these things are spoken belonged to another tribe, from which no one has ever served at the altar.read more.
For it is evident that our Lord was descended from Judah, and in regard to that tribe Moses said nothing about priests. This becomes even more evident if another priest arises in the likeness of Melchizedek, who has become a priest not on the basis of a law of carnal requirement, but according to the power of an indestructible life. For it is declared of him, "You are a priest forever, after the order of Melchizedek."