15 And what we have said is even more clear if another priest like Melchizedek appears,
16 one who has become a priest not on the basis of a regulation as to his ancestry but on the basis of the power of an indestructible life.
17 For it is declared:‘You are a priest for ever,in the order of Melchizedek.’
18 The former regulation is set aside because it was weak and useless
19 (for the law made nothing perfect), and a better hope is introduced, by which we draw near to God.
20 And it was not without an oath! Others became priests without any oath,
21 but he became a priest with an oath when God said to him:‘The Lord has swornand will not change his mind:“You are a priest for ever.” ’