Isaiah
Isaiah 38:21BSB·traditional attribution

Now Isaiah had said, “Prepare a lump of pressed figs and apply it to the boil, and he will recover.”

John Calvin Reformed @genevareformer

21. And Isaiah said Isaiah now relates what was the remedy which he prescribed to Hezekiah. Some think that it was not a remedy, becausefigs are dangerous and hurtful to boils; but that the pious king was warned and clearly taught by this sign that the cure proceeded from nothing else than from the favor of God alone.

Matthew Henry Presbyterian @wholebiblehenry

We have here Hezekiah's thanksgiving-song, which he penned, by divine direction, after his recovery. He might have taken some of the psalms of his father David, and made use of them for his purpose; he might have found many very pertinent ones. He appointed the Levites to praise the Lord with the words of David, Ch2 29:30.

Commenting on Isaiah 38:9-22

John Gill Reformed Baptist @doctorgill

Hezekiah also had said,.... Unto Isaiah, as in Kg2 20:8, what is the sign that I shall go up to the house of the Lord? both of his health, and of his going up to the temple with thanksgiving for it; though the former is not here mentioned, as it is elsewhere; partly because it is supposed in the latter, for without that he could...