To him Abraham also gave a tenth of all. He was first by interpretation king of righteousness, and after that also king of Salem, which is king of peace,
without father, without mother, without descent, having neither beginning of days nor end of life, but made like the Son of God, he remains a priest continually.
And truly they who are of the sons of Levi, who receive the office of the priest, have a commandment to take tithes of the people according to the Law, that is, from their brothers, though they come out of the loins of Abraham.
Therefore if 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?
(for those priests were made without an oath, but this one was made with an oath by Him who said to Him, "The Lord swore and will not repent, You are a priest forever after the order of Melchizedek,")
who does not need, as those high priests, to offer up sacrifice daily, first for his own sins and then for the people's sins. For He did this once for all, when He offered up Himself.
For the Law appoints men high priests who have infirmity, but the word of the swearing of an oath, after the Law, has consecrated the Son forever, having been perfected.