The former priests were many in number, because they were prevented by death from continuing in office,
23. And they truly, etc. He had already touched on this comparison; but as the subject deserved more attention, he unfolds it more fully, though the point discussed is different from what it was before; for then he concluded that the ancient priesthood was to come to an end because they who exercised it were mortal; but now he simply shows that Christ remains perpetually a priest.
Observe the necessity there was of raising up another priest, after the order of Melchisedec and not after the order of Aaron, by whom that perfection should come which could not come by the Levitical priesthood, which therefore must be changed, and the whole economy with it, Heb 7:11, Heb 7:12, etc. Here, I. It is asserted that perfection could not come by the Levitical priesthood and the law.
Commenting on Hebrews 7:11-28
Wherefore he is able also to save them to the uttermost,.... Because he continues ever, and has an unchangeable priesthood. This is to be understood not of temporal salvation, nor of providential favours, but of spiritual and eternal salvation; and includes a deliverance from all evil, here and hereafter, and an enjoyment of all good in this world, and in that to come: Christ was...