2 Bible Verses about Priesthood, In Ot

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

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? For the priesthood being changed, of necessity there is a change of the law. For he unto whom these things were spoken belongs to another tribe, from which no one ministers at the altar:read more.
for it is evident that our Lord sprang from Judah; in reference to which tribe Moses spoke nothing concerning priests. And it is still more abundantly evident, if after the similitude of Melchizedek another priest rises, who was not made after the law of a carnal commandment, but after the power of an endless life. For it is testified, Thou art a priest forever after the order of Melchizedek.