1 Nephi 11:21 · 1 Nephi 13:21
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The formula 'Knowest thou the meaning of the' — the exact shared substring, completed by a different object each time — recurs in both symbol-interpretation exchanges of the vision. 11:21: 'Knowest thou the meaning of the tree which thy father saw?' 13:21: 'Knowest thou the meaning of the book?' The quoted phrase is the exact shared substring preceding the differing object in each verse.