Hebrews 5:3

And by reason hereof,.... Because of his sinful infirmity:

he ought, as for the people, so also for himself to offer for sins; as he offered sacrifice for the sins of the people, so he was obliged…

And by reason hereof - Because he is a sinner; an imperfect man. “As for the people, so also for himself, to offer for sins.” To make an expiation for sins. He needs the same atonement; he offers the…

And by reason hereof - As he is also a transgressor of the commands of God, and unable to observe the law in its spirituality, he must offer sacrifices for sin, not only for the people, but for…

We have here an account of the nature of the priestly office in general, though with an accommodation to the Lord Jesus Christ. We are told,

I. Of what kind of beings the high priest must be. He must…

And by reason hereof i.e. because of this moral weakness.

he ought He is bound not merely as a legal duty, but as a moral necessity.

so also for himself The Law assumed that this would be necessary…