When Nephi copied out chapters from Isaiah, he did so "that whoso of my people shall see these words may lift up their hearts and rejoice" (2 Ne. 11:8). Isaiah's words prompt rejoicing, at least in part, because he testifies of Jesus Christ's willingness and ability to cleanse us from sin: "Come now, and let us reason together, saith the Lord: though your sins be as scarlet, they shall be as white as snow; though they be red like crimson, they shall be as wool" (Isa. 1:18). Modern revelation clarifies the meaning of Jesus Christ's invitation to reason with him: "And now come, saith the Lord, by the Spirit, unto the elders of his church, and let us reason together, that ye may understand; let us reason even as a man reasoneth one with another face to face. Now, when a man reasoneth he is understood of man , because he reasoneth as a man; even so will I, the Lord, reason with you that you may understand" (D&C 50:10-12). Reasoning with the ...