As he says also in another place, You are a priest forever after the order of Melchizedek.

Called of God a high priest after the order of Melchizedek.

Where the forerunner is for us entered, even Jesus, made a high priest forever after the order of Melchizedek.

For this Melchizedek, king of Salem, priest of the most high God, who met Abraham returning from the slaughter of the kings, and blessed him;

For he was yet in the loins of his father, when Melchizedek met him.

If therefore perfection were by the Levitical priesthood, (for under it the people received the law,) what further need was there that another priest should rise after the order of Melchizedek, and not be called after the order of Aaron?

And it is yet far more evident: that after the similitude of Melchizedek there arises another priest,

For he testifies, You are a priest forever after the order of Melchizedek.

(For those priests were made without an oath; but this with an oath by him that said unto him, The Lord swore and will not change, you are a priest forever after the order of Melchizedek:)