In those days - Hezekiah seems to have died 697 BC; and his illness must belong to 713 or 714 BC (compare II Kings 20:6), a date which falls early in the reign of Sargon. The true chronological place of this narrative is therefore prior to all the other facts related of Hezekiah except his religious reforms.
The prophet Isaiah the son of Amoz - This full description of Isaiah (compare II Kings 19:2), by the addition of his father' s name and of his office, marks the original independence of this narrative. The writer of Kings may have found it altogether separate from the other records of Hezekiah, and added it in the state in which he found it.
This history (compare Jonah 3:4-10) shows that the prophetic denunciations were often not absolute predictions of what was certainly about to happen, but designed primarily to prove, or to lead to repentance, those against whom they were uttered, and only obtaining accomplishment if this primary design failed.
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