When faith and faithfulness are added to priesthood authority, marvelous things can happen in the lives of men, women, and families. We learn in the scriptures that after the Lord "called unto him his twelve disciples, he gave them power against unclean spirits, to cast them out, and to heal all manner of sickness and all manner of disease" (Matthew 10:1; see also Mark 3:14; Mark 6:7; and Luke 9:1). . . .