“Never is the power of the priesthood, which you hold, more wonderful than when there is a crisis in your home, a serious illness, or some great decision that has to be made. … Vested in the power of the priesthood, which is the power of Almighty God, is the power to perform miracles if the Lord wills it so, but in order for us to use that priesthood, we must be worthy to exercise it. A failure to understand this principle is a failure to receive the blessings of holding