To The Christian Reader Dear Christian reader, that the holy Gospel is subjected, in our time, to a great and shameful abuse is fully proved by the impenitent life of the ungodly who praise Christ and his word with their mouths and yet lead an unchristian life that is like that of persons who dwell in heathendom, not in the Christian world. Such ungodly conduct gave me cause to write this book to show simple readers wherein true Christianity consists, namely, in the exhibition of a true,