en_tn_condensed/heb/07/16.md

This one became a priest

The words "This one" refer to the one who became priest in the likeness of Melchizedek.

not based on a law of physical requirement

He became priest, but it was not because he met the physical requirement. This physical requirement is that only the descendants of priests could become priests. Alternate translation: "a law of human descent" or "a law that required priests to be descendants of priests"