Isaiah 39:8

Good is the word of the Lord which thou hast spoken.

“Good” The word “good” is here used, neither in the sense of “gracious” nor in that of “just” exclusively, but in that of “right” as comprehending both. (J. A. Alexander.)

Hezekiah’s acceptance of his punishment

Hezekiah’s reply expressed neither the highest magnanimity nor the mere selfish egotism which some commentators have seen in it; but a mixture of feelings in accordance with all that we know of his character. His appreciation of his position and duties as a king is shown in his restoration of the national worship, and his final resistance to Sennacherib, as well as in his general and successful care for the prosperity of his country. But though a religious sense of duty, or the pressure of necessity, could occasionally stir him to master circumstances by a great effort, we may infer from the domination of Shebna, and from his own demeanour and language when supplicating Sennacherib’s pardon, after the receipt of Rab-shakeh’s message and Sennacherib’s letter, in the time of his own sickness, and on the present occasion, that his natural and habitual disposition was rather to submit to the guidance of circumstances, with a gentle and pious confession that this weakness of his character was beyond cure, and to accept the consequences with pious and affectionate resignation to God’s will, and thankful acknowledgment of any mitigation of them. He could enter into the meaning of the Psalmist’s words, “Thou wast God that forgavest them, though Thou tookest vengeance on their inventions.” And though he had not, like Moses or Paul, the stern courage which could ask that the punishment might be to himself, and the forgiveness to his people; but on the contrary was thankful to learn that there should “be peace and truth in his days”; it must not be overlooked that it was peace and truth to his country as well as himself, and not merely selfish security that he was thankful for. (Sir E. Strachey, Bart.)

A contrast: Hezekiah and St. Paul

There is certainly submission here, resignation to the Supreme will, readiness to accept the sentence of chastisement by this will. The sentiment thus far is that of Eli when he heard the doom of his house from the lips of the child-prophet: “It is the Lord: let Him do what seemeth Him good.” But the reason given by Hezekiah in the text itself is deeply disappointing in two ways--first, the selfishness, and, secondly, the earthliness of the consolation. Enough for him if he is spared the personal experience of the retribution; enough if he may live out his fifteen added years in the peace of an outward tranquillity, and in the truth, or, as it is otherwise given, in the continuance of an accustomed and unbroken prosperity. “There shall be peace and truth in my days,” would have had no meaning for St. Paul. All days were his days; days of time and days of eternity--all were his. (Dean Vaughan.)

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