Joseph Benson's Commentary of the Old and New Testaments - Hebrews 7:15-17
Hebrews 7:15-17. And it is yet far more evident That both the priesthood and the law are changed, because the priest now raised up is not only of another tribe, and of a quite different order, but is made a priest; not after the law of a carnal commandment With such carnal rites and outward solemnities as the law prescribed for those priests, which reached no further than to the purifying of the flesh; but after the power of an endless life Which he has in himself as the eternal Son... read more
Albert Barnes' Notes on the Whole Bible - Hebrews 7:17
For he testifieth - “That this is the true account of it is proved by the testimony of God himself, that he was to be a priest for ever;” see the note on Hebrews 5:6. read more