Charles Ellicott Commentary Hebrews 7:15

"And [what we say] is yet more abundantly evident, if after the likeness of Melchizedek there ariseth another priest," — Hebrews 7:15 (ASV)

And it is.—What is “yet far more evident” is the proposition of the preceding verses, namely, the failure of the Levitical priesthood to bring perfection (Hebrews 7:11), a failure placed beyond doubt by the change of priesthood (Hebrews 7:13–14). “And what we are speaking of is yet more abundantly evident if after the likeness of Melchizedek there arises a different priest, who has been made (priest) not according to a law of a carnal commandment, but according to power of indissoluble life.”

Until now, in Hebrews 7:12-14, the thought has rested on what is given up—namely, the priesthood of Aaron, set aside by the words of prophecy (Psalms 110:4). So far as these three verses are concerned, nothing more might be intended than the transference of the priesthood to another line of men. Far more striking will the proof appear when we look on the other side, and observe what is brought in—a priesthood like Melchizedek’s, resting not on mere positive enactment, but assumed by inherent power, by right of life (Hebrews 7:8).