So also Christ honoured not himself, to become chief priest; but he having spoken to him, Thou art my Son, to day have I begotten thee.

For also ye ought to be teachers for the time, again ye have need for some one to teach you the elements of the beginning of the sayings of God; and have become those having need of milk, and not of firm food.

According to this, Jesus has become security of a better covenant.

And they truly are become many priests, by reason of death being hindered from remaining:

By faith Moses, having become great, refused to be reckoned the son of Pharaoh's daughter;