Prolong See also Increase; Lengthen men’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.