Second, the superscription identifies things concerning Judah and Jerusalem as the book’s focal points. Other nations, especially Israel, certainly play a prominent role in Isaiah, whether as opponents of Judah, instruments of divine punishment, recipients of divine judgement, or future recipients of Yahweh’s renewing aid. Nonetheless, Judah and Jerusalem constitute the sun around which these nations orbit in Isaiah. What unfolds does so in light of how it affects this small nation and its capital.
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