Those who lapse from the Gospel to the Law are no better off than those who lapse from grace to idolatry.
Martin LutherHowever, they have not acquired a perfect mastery of the art of lying; they lie so clumsily and ineptly that anyone who is just a little observant can easily detect it. But for us Christians they stand as a terrifying example of God's wrath.
Martin LutherThis doctrine (justification) is the head and the cornerstone. It alone begets, nourishes, builds, preserves, and defends the church of God and without it the church of God cannot exist for one hour.
Martin Luther