Isaiah
Isaiah 36:7BSB·traditional attribution

But if you say to me, ‘We trust in the LORD our God,’ is He not the One whose high places and altars Hezekiah has removed, saying to Judah and Jerusalem, ‘You must worship before this altar’?

John Calvin Reformed @genevareformer

7. And if thou shalt say to me. Rabshakeh employs an argument which consists of three parts. Either Hezekiah thinks that he has sufficient strength to resist, or he expects assistance from Egypt, or he trusts in God. If he trusts in himself, he is mistaken; for what is he when compared to my king?

Matthew Henry Presbyterian @wholebiblehenry

We shall here only observe some practical lessons. 1. A people may be in the way of their duty and yet meet with trouble and distress. Hezekiah was reforming, and his people were in some measure reformed; and yet their country is at that time invaded and a great part of it laid waste.

Commenting on Isaiah 36:1-10

John Gill Reformed Baptist @doctorgill

But if thou say to me, we trust in the Lord our God,.... In his promises, providence, power, and protection, and not in human counsels and strength; not in allies and auxiliaries, as Pharaoh king of Egypt; should this be replied, Rabshakeh has something to say to that; having shown the vanity of trusting in the above things, he now proceeds to beat them off...