You should 'slither' into the Gospel with your whole being and become completely new, by shedding your old skin, just like a snake does. When its skin has become too old, it seeks out a narrow hole in a rock; it slithers in and sheds its skin by itself and leaves the skin in front of the hole. This is how a human being should enter into the Gospel and God’s Word. We should also take comfort in what it promises; He will never deceive us. That is why a human being sheds his old skin, leaving his own light, his own ideas, his will, his love, his joy, his words and his deeds on the outside and in this way he will become a very different and new person (...)
Schriften, 10.I. 1. Band, S.180