Hebrews 7:11
Jesus and the Priesthood of Melchizedek
7:11 So if perfection had in fact been possible through the Levitical priesthood – for on that basis the people received the law – what further need would there have been for another priest to arise, said to be in the order of Melchizedek and not in Aaron’s order?
Hebrews 7:23-24
7:23 And the others
who became priests were numerous, because death prevented them
from continuing in office,
7:24 but he holds his priesthood permanently since he lives forever.