Fasting and mighty prayer

1. Alma 6: 6
     6 Nevertheless the children of God were commanded that they should gather themselves together oft, and join in ^afasting and mighty prayer in behalf of the welfare of the souls of those who knew not God.
2. 3 Ne. 27: 1
     1 And it came to pass that as the disciples of Jesus were journeying and were preaching the things which they had both heard and seen, and were baptizing in the name of Jesus, it came to pass that the disciples were gathered together and were ^aunited in ^bmighty prayer and ^cfasting.