9. A person might even say that Levi [the father of the priestly tribe] himself, who received tithes (the tenth), paid tithes through Abraham,
10. For he was still in the loins of his forefather [Abraham] when Melchizedek met him [Abraham].
11. Now if perfection (a perfect fellowship between God and the worshiper) had been attainable by the Levitical priesthood–for under it the people were given the Law–why was it further necessary that there should arise another and different kind of Priest, one after the order of Melchizedek, rather than one appointed after the order and rank of Aaron?
12. For when there is a change in the priesthood, there is of necessity an alteration of the law [concerning the priesthood] as well.
13. For the One of Whom these things are said belonged [not to the priestly line but] to another tribe, no member of which has officiated at the altar.
14. For it is obvious that our Lord sprang from the tribe of Judah, and Moses mentioned nothing about priests in connection with that tribe.
15. And this becomes more plainly evident when another Priest arises Who bears the likeness of Melchizedek, [Ps. 110:4.]
16. Who has been constituted a Priest, not on the basis of a bodily legal requirement [an externally imposed command concerning His physical ancestry], but on the basis of the power of an endless and indestructible Life.
17. For it is witnessed of Him, You are a Priest forever after the order (with the rank) of Melchizedek. [Ps. 110:4.]
18. So a previous physical regulation and command is cancelled because of its weakness and ineffectiveness and uselessness–
19. For the Law never made anything perfect–but instead a better hope is introduced through which we [now] come close to God.
20. And it was not without the taking of an oath [that Christ was made Priest],