Isaiah 36:10

“And am I now come up without the Lord against this land to destroy it? &c.] He would insinuate that he had a commission from the Lord God, and that it was by his will and order that he came up to destroy the land; which he said to intimidate Hezekiah and his subjects, as knowing that nothing was more likely to do it than that so far it was true, that he did not come up without the knowledge of the Lord, nor without his will to chastise, but not to destroy, as the event showed: the Lord said unto me: by the impulse of his Spirit, or by one of his prophets, as he would suggest: go up against this land, and destroy it; which was a lie of his own making; he knew that the Lord had said no such…”

“A boastful inference from the past successes of Assyria, designed to influence the Jews to surrender; their own principles bound them to yield to Jehovah's will. He may have heard from partisans in Judah what Isaiah had foretold (Isa 10:5-6).”

“And am I now come up without the Lord - Am I come up without his permission or command? Rabshakeh here speaks in the name of his master; and he means to say that he had the express command of Yahweh to inflict punishment on the Jews. It is possible that there had been conveyed to Sennacherib a rumour of what Isaiah had said (see Isaiah 10:5-6) that God would bring the Assyrians upon the Jewish people to punish them for their sins, and that Rabshakeh now pleads that as his authority, in order to show them that resistance would be vain. Or it may be that he uses the name Yahweh here as synonymous with the name of God, and means to say that he had been divinely directed to come up in that…”

“36:10 The Lord himself told us: It was common for a king to claim the approval of a deity in destroying other kingdoms. This claim was consistent with Isaiah’s prophecy in 10:5-6.”

“Isa 10:5-7, Isa 37:28; Kg1 13:18; Kg2 18:25; Ch2 35:21; Amo 3:6 Isaiah 36:11”