If now therefore perfection came by the priesthood of the levites (for under that priesthood the people received the law) what needed it furthermore that another priest should rise, after the order of Melchisedech, and not after the order of Aaron?
Those priests were made without an oath: but this priest with an oath, by him that said unto him: The Lord sware, and will not repent: Thou art a priest for ever after the order of Melchisedech: