Isaiah
Isaiah 16:11ESV·traditional attribution

Therefore my inner parts moan like a lyre for Moab, and my inmost self for Kir-hareseth.

John Calvin Reformed @genevareformer

11. Therefore my bowels shall sound like a harp for Moab. Assuming the character of a Moabite, the Prophet again describes excessive lamentation, proceeding from grief so intense that even the bowels make a distressing noise; for by the sign he intended to point out the reality.

Matthew Henry Presbyterian @wholebiblehenry

Here we have, I. The sins with which Moab is charged, Isa 16:6. The prophet seems to check himself for going about to give good counsel to the Moabites, concluding they would not take the advice he gave them. He told them their duty (whether they would hear or whether they would forbear), but despairs of working any good upon them; he would have healed...

Commenting on Isaiah 16:6-14

John Gill Reformed Baptist @doctorgill

Wherefore my bowels shall sound like a harp for Moab,.... Making a noise as the harp does, and a mournful one as that, when used at funerals; which it makes when it is stricken or played on with the hand, as these were, through the afflictive and punitive hand of God; and which, when stricken, causes a quavering of the strings, to which the inward...