Hebrews 7:5-9

5The sons of Levi who receive the priestly office have a command according to the law to collect a tenth from the people  — that is, from their brothers and sisters — though they have also descended from Abraham.

6But one without this lineage collected a tenth from Abraham and blessed the one who had the promises.

7Without a doubt, the inferior is blessed by the superior.

8In the one case, men who will die receive a tenth, but in the other case, Scripture testifies that he lives.

9And in a sense Levi himself, who receives a tenth, has paid a tenth through Abraham,