Albert Barnes' Notes on the Whole Bible - Hebrews 7:23
And they truly - Under the Jewish dispensation. The object of this verse and the following is, to state one more reason of the excellence of the priesthood of Christ. It is, that owing to the frailty of human nature, and the shortness of life, the office of priest there was continually changing. But here there was no such change. Christ, being exalted to the heavens to live forever there, has now an unchangeable priesthood, and everything in regard to his office is permanent. read more
The Pulpit Commentary - Hebrews 7:23-25
The immortal priesthood of Christ enhanced by weighty considerations. The first is that the ancient priesthood passed through many hands, in which fact there were some obvious disadvantages. Some priests were so neglectful of their office that the prophet had to become a preacher of righteousness. All preachers had to pass through a process of education to gain fitness for their ministry; others were priests when there was no temple, no altar, and no holy of holies. Death came to them in... read more