ProlongSee also Increase; Lengthenmen’s days were prolonged, that they might repent while in flesh, 2 Ne. 2:21.he shall prolong his days, Mosiah 14:10 (Isa. 53:10).the Lord will prolong Lamanites’ existence in land, Alma 9:16 (Hel. 15:4, 11).if Nephites persist in wickedness, their days will not be prolonged, Alma 9:18.the Lord gives commandments that men’s days may be prolonged, D&C 5:33.