rarely have to worry about this problem. His practice of citation shows that he was acquainted with virtually the whole body of texts that were later acknowledged as canonical within Judaism,94 and that he expected his readers to share his acknowledgment of these texts as Scripture. This criterion implies that echo is a diachronic trope: analyses of literary echo are possible only where the chronological ordering of different voices is known. That is why, for example, attempts to demonstrate allusions
Page 30