Hebrews 7:8-12

8And here dying men receive tithes; but there [one] of whom the witness is that he lives;

9and, so to speak, through Abraham, Levi also, who received tithes, has been made to pay tithes.

10For he was yet in the loins of his father when Melchisedec met him.

11If indeed then perfection were by the Levitical priesthood, for the people had their law given to them in connexion with it, what need [was there] still that a different priest should arise according to the order of Melchisedec, and not be named after the order of Aaron?

12For, the priesthood being changed, there takes place of necessity a change of law also.