Fasting and praying are always involved in saving souls. One might question how Alma could thoroughly repent of all his sins in just three days and three nights (Alma 36:10, 16; 38:8). We do not know how to explain that, but we can ponder the fact that the Savior, in some grand and far-reaching way, took upon himself the sins and pains of the world in just one night—the darkest night of eternity.