It was bit by bit and in many different ways that God in olden times spoke to our forefathers through the prophets,

Now if perfection had been reached through the Levitical priesthood -- for on it as a basis even the law was enacted for the people-- what further need would there have been of appointing a different priest, with the rank of Melchizedek, instead of designating one with the rank of Aaron?

For He of whom this is said became a member of a different tribe no member of which ever officiated at the altar.

And it is still more overwhelmingly clear, since a different priest in the likeness of Melchizedek is appointed,