Matthew Henry on 2 Chronicles 20:1-13
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. If we meet with trouble in the way of duty, we may believe it is that God may have an opportunity of showing us so much the more of his marvellous loving-kindness. We have here,
I. A formidable invasion of Jehoshaphat's kingdom by the Moabites, and Ammonites, and their auxiliaries, Ch2 20:1. Jehoshaphat was…
Read the whole note in the consoleJamieson-Fausset-Brown on 2 Chronicles 20:6
And said, O Lord God of our fathers--This earnest and impressive prayer embraces every topic and argument which, as king and representative of the chosen people, he could urge. Then it concludes with an earnest appeal to the justice of God to protect those who, without provocation, were attacked and who were unable to defend themselves against overwhelming numbers.
Adam Clarke on 2 Chronicles 20:9
For thy name is in this house - "Thy Majesty is in this house." Several of Kennicott's and De Rossi's MSS., with the Vulgate, Syriac, and Arabic, add נקרא nikra, "is invoked;" Thy name is invoked in this house - here thou dwellest, and here thou art worshipped.
John Gill on 2 Chronicles 20:10
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, Deuteronomy 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.
Keil & Delitzsch