John Gills Exposition of the Bible Commentary - Isaiah 37:29
Because thy rage against me, and thy tumult is come up into mine ears ,..... The rage which Sennacherib expressed both by Rabshakeh, and in his letter against Hezekiah and his people, is taken by the Lord as against himself; so great was his care of them, and concern for them; and indeed there was a great deal of blasphemy belched out against himself; and so the Syriac version renders the next word, translated "tumult", "thy blasphemy"; though that may rather intend the blustering noise that... read more
Matthew Henry's Complete Commentary - Isaiah 37:21-38
We may here observe, 1. That those who receive messages of terror from men with patience, and send messages of faith to God by prayer, may expect messages of grace and peace from God for their comfort, even when they are most cast down. Isaiah sent a long answer to Hezekiah's prayer in God's name, sent it in writing (for it was too long to be sent by word of mouth), and sent it by way of return to his prayer, relation being thereunto had: ?Whereas thou hast prayed to me, know, for thy comfort,... read more