Now, what He intends to say is this: “I have given you instructions about how you ought to live and what you ought to watch out for. In addition, it is necessary that you ask and that you have the confidence to go right on seeking and knocking without becoming lazy or lax in it. You will have need of asking, seeking, and knocking. Though doctrine and life may both have begun all right, we shall have to suffer from all sorts of transgressions and offenses that hinder us daily and keep us from progressing. We battle against these continually with all our might, but the strongest shield we have is prayer. If we do not use that, it is impossible for us to hold our own and to go on being Christians. We can plainly see now not only the sort of obstacles that oppose the Gospel every day, but also our own neglect of prayer and our attitude, as though this warning and admonition did not refer to us and we did not need prayer any more, now that the useless chattering and muttering of the rosaries and the other idolatrous prayers have stopped. All this is not a good sign, and it makes me afraid that some great misfortune which we could have prevented will overtake us. (Luther’s Works, v. 21, pages 229).