Duhm is basically correct. The message must have originated in a historical time period when Isaiah was not being moved to announce judgment. But one must go a step farther. It comes from a time in which Isaiah was speaking on behalf of Yahweh concerning the preservation of Judah and Jerusalem. A turnabout must have come within the nature of the messages Isaiah proclaimed that surprised even Isaiah’s friends. Such a change of direction apparently occurred during the crisis that was caused by Hezekiah’s