He wrote also letters to rail on the LORD God of Israel, and to speak against him, saying, As the gods of the nations of other lands have not delivered their people out of mine hand, so shall not the God of Hezekiah deliver his people out of mine hand.
Sennacherib's malice cuts two ways at once: he undermines Hezekiah's authority by whispering to the people that their king will starve them, and he blasphemes God Himself, comparing the Maker of heaven and earth to the dead idols of conquered nations. Mark how a man's pride in his own conquests becomes the fuel for his impiety.
AI summary
Commenting on 2 Chronicles 32:9-23
And for this cause Hezekiah the king, and the prophet Isaiah, the son of Amoz, prayed and cried to heaven. To God in heaven; of the prayer of Hezekiah on this account, see Isa 37:15, and the notes there; See Gill on Isa 37:15, Isa 37:16, Isa 37:17, Isa 37:18, Isa 37:19, Isa 37:20 and though we read not of the prayer of Isaiah, no...
Wrote also letters - See Kg2 19:9, Kg2 19:14.