metaphors are as vivid as they are honest. They leave no room for valid protest; they leave no doubt about the people’s appropriate response. The book’s superscription serves several functions. First, it identifies the book as the vision of Isaiah, the son of Amoz. Of all the prophets, only the superscriptions of Isaiah, Obadiah, and Nahum designate the words that follow as ‘visions.’ Oswalt observes that this term suggests intensity when used to describe sight in 33:20 and
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