D&C 36:8 · Malachi 3:1
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The divergence is person: the prophet speaks of the Lord in the third person and of his temple; the revelation speaks in the first person and of my temple. 'suddenly come to' stands at four frozen verses: these two, D&C 133:2, and 3 Nephi 24:17's chapter-mate 3 Nephi 24:1, where the Malachi text is given to the Nephites at the Father's command.