2 Bible Verses about Priesthood, In Ot

having been addressed by God as "High Priest according to the rank of Melchizedek."

If, therefore, there was perfection through the Levitical priesthood (for under it the people have received the law), what further need was there, that another Priest should arise according to the rank of Melchizedek, and not be reckoned according to the rank of Aaron? For, the priesthood being changed, there is made, of necessity, a change of law also. For He of Whom these things are spoken hath taken part in a different tribe from which no one gave attendance at the altar.read more.
For it is evident that our Lord hath sprung out of Judah, respecting which tribe Moses spake nothing concerning priests. And it is yet far more evident; if, according to the likeness of Melchizedek, there arises another Priest, Who hath been made Priest, not according to a law of a carnal commandment, but according to the power of an endless life; for it is testified of Him, "Thou art a Priest forever according to the rank of Melchizedek."