Those are two great temptations that hinder us inwardly in our prayer, and outwardly try to chase us away from it. Therefore all we can do is to go on crying to God, asking Him to strengthen and advance His Word in us and to restrain the persecutors and the sects so that it is not extinguished. Now, the third enemy is the strongest of all, the devil himself. He has us at a great disadvantage for two reasons: by nature we are not good; and in addition we are weak in faith and in spirit. Thus he invades my own castle and baffles against me. He also has the world on his side, and he incites all the sects against me. Through them he shoots his flaming, poisonous darts (Eph. 6:16) at me, to wear me down, to extinguish the Word in me again and to smother it, and to establish his control as he once had it, without any danger of being expelled. There, you see, are three troubles that press us down hard and will not get off our neck as long as we have life and breath. Hence we have continual reason for prayer and invocation. This is why He adds the words “ask,” “seek,” and “knock,” to indicate that we do not have everything yet but that our situation is one of shortcomings and needs everywhere. If we had everything, we would not need to ask or seek; if we were already in heaven, we would not need to knock. (Luther’s Works, v. 21, pages 230-231).

We have already spoken of the need that prompts Him to give this admonition and should prompt us to ask. Once you have the Word of God right and have made a good start in both doctrine and life, then inevitably temptation and opposition arise, not one kind but thousands of kinds. In the first place, there is our own flesh, that rotten old bag. It quickly becomes bored, inattentive, and indifferent to the Word of God and the good life. Thus we always have less of wisdom and of the Word of God, of faith and love and patience, than we should. This is the first enemy hanging around our neck so heavily every day that he keeps dragging us that way. Next comes the second enemy, the world. It begrudges us the dear Word and faith and refuses to put up with anything in us, no matter how weak we may be. It goes ahead and condemns us, it tries to take away what we have, and it gives us no peace. (Luther’s Works, v. 21, pages 230).