(23) But if the bright spot stay.--As the spreading of the spot is a sure sign of the disease lurking in the system, its continuing in the same condition showed that it was simply the re-opening of the boil. The priest is therefore to pronounce the patient clean, or clear of leprosy.

13:18-44 The priest is told what judgment to make, if there were any appearance of a leprosy in old sores; and such is the danger of those who having escaped the pollutions of the world are again entangled therein. Or, in a burn by accident, ver. 24. The burning of strife and contention often occasions the rising and breaking out of that corruption, which proves that men are unclean. Human life lies exposed to many grievances. With what troops of diseases are we beset on every side; and thy all entered by sin! If the constitution be healthy, and the body lively and easy, we are bound to glorify God with our bodies. Particular note was taken of the leprosy, if in the head. If the leprosy of sin has seized the head; if the judgment be corrupted, and wicked principles, which support wicked practices, are embraced, it is utter uncleanness, from which few are cleansed. Soundness in the faith keeps leprosy from the head.But if the bright spot stay in his place, and spread not,.... Continues as it was when first viewed:

it is a burning boil; but not a plague of leprosy:

and the priest shall pronounce him clean; as clear of a leprosy, and so not bound by the law of it, though attended with an inflammation or burning ulcer.