And now, here are the men of Ammon, Moab, and Mount Seir, whom You did not let Israel invade when they came out of the land of Egypt. So Israel turned away from them and did not destroy them.
We left Jehoshaphat, in the foregoing chapter, well employed in reforming his kingdom and providing for the due administration of justice and support of religion in it, and expected nothing but to hear of the peace and prosperity of his reign; but here we have him in distress, which distress, however, was followed by such a glorious deliverance as was an abundant recompence for his piety.
Commenting on 2 Chronicles 20:1-13
And now, behold, the children of Ammon, and Moab, and Mount Seir, whom thou wouldest not let Israel invade, when they came out of the land of Egypt,.... Charging them not to meddle with them, nor take any of their lands from them, Deu 2:5, but they turned from them, and destroyed them not; in obedience to the divine command, when it was in their power to have done it.
2Ch 20:10-12 ועתּה, and now, the contrary of this has occurred. Peoples into whose midst (בהם לבוא...אשׁר) Thou didst not allow Israel to come, i.e., into whose land Thou didst not allow Israel to enter when they came out of the land of Egypt, for they (the Israelites under Moses) turned from them and destroyed them not (cf.
Commenting on 2 Chronicles 20:10-12