Spiritual life is acquired solely by a life according to the commandments in the Word. These commandments are given in summary in the Decalogue, namely, Thou shalt not commit adultery, Thou shalt not steal, Thou shalt not kill, Thou shalt not bear false witness, Thou shalt not covet the goods of others. These commandments are the commandments that are to be done, for when a man does these his work...