4. God had begun to contend with them by his judgments, in earnest of what was further coming: The thief comes in, and the troop of robbers spoils without. Some take this as an instance of their wickedness, that they robbed and spoiled one another. Nec hospes ab hospite tutus—The host and the guest stand in fear of each other. It seems rather to be a punishment of their sin; they were infested with secret thieves among themselves, that robbed their houses and shops and picked their pockets, and troops of robbers, foreign invaders, that with open violence spoiled abroad; so far was Israel from being healed that they had fresh wounds given them daily by robbers and spoilers; and all this the effect of sin, all to punish them for robbing God, Isa. xlii. 24; Mal. iii. 8, 11.