Hebrews 7:4, 8, 13, 15, 18

See how great this man was to whom Abraham the patriarch gave a tenth of the spoils!

In the one case tithes are received by mortal men, but in the other case, by one of whom it is testified that he lives.

For the one of whom these things are spoken belonged to another tribe, from which no one has ever served at the altar.

This becomes even more evident when another priest arises in the likeness of Melchizedek

For on the one hand, a former commandment is set aside because of its weakness and uselessness