Hebrews 5:4-5

And no one takes this honor to himself, but the one called of God, as indeed Aaron was.

Hebrews 5:10

having been ordained of God a high priest after the order of Melchizedek.

Hebrews 7:11-14

Then indeed if perfection was through the Levitical priesthood, for unto it the people have been tithed, what need is there still that another priest shall rise after the order of Melchizedek, and not be called after the order of Aaron?

Hebrews 7:23-28

And indeed many have been made priests, because they were prohibited by death from continuing:

Treasury of Scripture Knowledge

Summary

And thou shalt gird them with girdles, Aaron and his sons, and put the bonnets on them: and the priest's office shall be theirs for a perpetual statute: and thou shalt consecrate Aaron and his sons.

The priest's

Bible References

The priest's

Hebrews 5:4
And no one takes this honor to himself, but the one called of God, as indeed Aaron was.
Hebrews 7:11
Then indeed if perfection was through the Levitical priesthood, for unto it the people have been tithed, what need is there still that another priest shall rise after the order of Melchizedek, and not be called after the order of Aaron?