He tore his clothes - This action indicated alarm and terror just as much as sorrow (2 Samuel 13:19; Ezra 9:3; [Refe…

He rent his clothes. — As if he had heard blasphemy. (Compare to Matthew 26:65.)

Am I God, to kill and…

And it came to pass, when the king of Israel had read the
letter, that he rent his clothes…

Although the Syrians were idolaters and oppressed God's people, yet the deliverance of which Naaman had been the means is here ascribed to the Lord…