Hebrews 7:10-22

YLT(i) 10 for he was yet in the loins of the father when Melchisedek met him.
11 If indeed, then, perfection were through the Levitical priesthood—for the people under it had received law—what further need, according to the order of Melchisedek, for another priest to arise, and not to be called according to the order of Aaron? 12 for the priesthood being changed, of necessity also, of the law a change doth come, 13 for he of whom these things are said in another tribe hath had part, of whom no one gave attendance at the altar, 14 for it is evident that out of Judah hath arisen our Lord, in regard to which tribe Moses spake nothing concerning priesthood. 15 And it is yet more abundantly most evident, if according to the similitude of Melchisedek there doth arise another priest, 16 who came not according to the law of a fleshly command, but according to the power of an endless life, 17 for He doth testify—`Thou art a priest—to the age, according to the order of Melchisedek;' 18 for a disannulling indeed doth come of the command going before because of its weakness, and unprofitableness, 19 (for nothing did the law perfect) and the bringing in of a better hope, through which we draw nigh to God. 20 And inasmuch as it is not apart from oath, (for those indeed apart from oath are become priests, 21 and he with an oath through Him who is saying unto him, `The Lord sware, and will not repent, Thou art a priest—to the age, according to the order of Melchisedek;') 22 by so much of a better covenant hath Jesus become surety,