I know his insolence,” declares the LORD, “but it is futile. His boasting is as empty as his deeds.
This verse is variously explained, at least the second clause. Some render it, “His indignation, and not what is right;” then they add by itself, “his lies;” and lastly, “they have not done rightly,” or as others, “they will not do anything fixed,” which is more suitable, and comes near to the rendering which I have given.
The destruction is here further prophesied of very largely and with a great copiousness and variety of expression, and very pathetically and in moving language, designed not only to awaken them by a national repentance and reformation to prevent the trouble, or by a personal repentance and reformation to prepare for it, but to affect us with the calamitous state of human life, which is...
Commenting on Jeremiah 48:14-47
Therefore will I howl for Moab,.... The prophet, being as a man affected with the miseries of a people very wicked, and so deserving of them; though indeed by this he does not so much design to express the affections of his own heart, as to show what reason the Moabites would have to howl for the calamities of their country; for, as Kimchi observes...