In order for the inner man to be strengthened with power through the Holy Spirit, the children of God must discharge their responsibility. They need to yield specifically to the Lord, forsake every doubtful aspect in their life, be willing to obey fully God's will, and believe through prayer that He will flood their spirit with His power.
Watchman NeePut very simply, Satan's power in the world is everywhere. Yet wherever men and women walk in the Spirit, sensitive to the anointing they have from God, that power of his just evaporates. There is a line drawn by God, a boundary where by virtue of his own very presence Satan's writ does not run. Let God but occupy all the space himself, and what room is left for the evil one?
Watchman NeeHow true it is that without the guidance of the Holy Spirit intellect not only is undependable but also extremely dangerous, because it often confuses the issue of right and wrong.
Watchman NeeTo walk after the spirit a believer must inhibit his mind from revolving endlessly. If it turns too long around one topic, worries or grieves too much over matters, and ponders too intensively to know God's will, it may become unbearable and hamper its normal operation. The mind needs to be kept in a steady and secure state.
Watchman Nee