Hebrews 7:8-25
7:8 and in one case tithes are received by mortal men, while in the other by him who is affirmed to be alive.
7:9 And it could be said that Levi himself, who receives tithes, paid a tithe through Abraham.
7:10 For he was still in his ancestor Abraham’s loins
when Melchizedek met him.
Jesus and the Priesthood of Melchizedek
7:11 So if perfection had in fact been possible through the Levitical priesthood – for on that basis the people received the law – what further need would there have been for another priest to arise, said to be in the order of Melchizedek and not in Aaron’s order?
7:12 For when the priesthood changes, a change in the law must come as well.
7:13 Yet the one these things are spoken about belongs to a different tribe, and no one from that tribe has ever officiated at the altar.
7:14 For it is clear that our Lord is descended from Judah, yet Moses said nothing about priests in connection with that tribe.
7:15 And this is even clearer if another priest arises in the likeness of Melchizedek,
7:16 who has become a priest not by a legal regulation about physical descent but by the power of an indestructible life.
7:17 For here is the testimony about him: “You are a priest forever in the order of Melchizedek.”
7:18 On the one hand a former command is set aside because it is weak and useless,
7:19 for the law made nothing perfect. On the other hand a better hope is introduced, through which we draw near to God.
7:20 And since this was not done without a sworn affirmation – for the others have become priests without a sworn affirmation,
7:21 but Jesus did so with a sworn affirmation by the one who said to him, “The Lord has sworn and will not change his mind, ‘You are a priest forever’” –
7:22 accordingly Jesus has become the guarantee of a better covenant.
7:23 And the others who became priests were numerous, because death prevented them from continuing in office,
7:24 but he holds his priesthood permanently since he lives forever.
7:25 So he is able to save completely those who come to God through him, because he always lives to intercede for them.
Hebrews 7:28
7:28 For the law appoints as high priests men subject to weakness,
but the word of solemn affirmation that came after the law appoints a son made perfect forever.