4. Else, if thou refuse. Moses denounces the extreme dearth and famine of the land of Egypt, because the locusts will suddenly arise, altogether to consume the remaining produce of the year; for half of it had already been destroyed by the hail. But, although ancient histories bear witness, and it has happened also in our time, that not only cornfields, but that pastures have been devoured by locusts, still we may gather from the circumstances, that this was an extraordinary instance of the divine vengeance; because Moses both appoints the next day, and also relates that an incredible multitude suddenly burst forth, and adds, that such had never been seen; and, lastly, threatens that no house should be exempt from their invasion. Moreover, it is worth while again to remark the nature of the scourge, that God collects and arms a host of vile insects, whereby He may insultingly overcome this indomitable tyrant with all his forces. The ingratitude of Egypt, too, was worthy of this return, since it was too great an indignity that the posterity of Joseph should be tyrannically persecuted in that. country, which a little more than 250 years before he had preserved from famine by his energy. What follows in verse 6, that “he turned himself, and went out from Pharaoh,” is recorded as a token of his indignation; as though Moses, worn out with the perverseness of the tyrant, had hastily withdrawn himself from him, without bidding him farewell. Therefore, although he was otherwise of a mild disposition, this peremptory harshness was to be adopted as a reproof of the arrogance with which the tyrant spit in the face of heaven itself. But, let the Pharaohs of our age also learn, that when they impede by their cruel menaces the pure worship of God, it is in His strict justice that fanatics, like locusts, assail their kingdoms with their impious errors, and infect their people with contagion.