The Sword of the Spirit, which is the Word of God, is our offensive weapon. It is incredibly powerful and effective at driving away the enemy and tearing down his work. However, it is a mistake to attempt to wield the Sword without having the defensive weapons all in place. If we lightly skip over the defensive weapons we are neglecting to consider that the enemy has offensive weapons of his own. We will become an easy target for him to bring down. It is extremely foolish to go out to battle without all the weapons provided by God for us to use to overcome the enemy.
On the other hand, it can be tempting to feel that the enemy will leave us alone if we only have the defensive weapons in place. Many never get around to using the Sword effectively. While it is true that the defensive weapons may prevent Satan from getting to us, if we neglect to use the Sword, he tends to just hang around, slinking around with us as the days go by, until one day one of the defensive weapons is allowed to slip. Then he makes his move. When we follow up the defensive weapons with effective use of the sword, we not only hold him at bay, we drive him off! We tear down his evil work!
The following Scriptures can be used aggressively to drive away the enemy. Some of them can be given as direct commands to him. (e.g. “Satan, Let your lying lips be dumb, which speak arrogantly against the righteous with pride and contempt.”) Others can be used to remind him of things that hurt him badly. (e.g. “Satan, I remind you that you will be thrown into the lake of fire and brimstone, and will be tormented day and night forever and ever.”)
Some Christians are reluctant to speak directly to Satan and his demons. Yet God has clearly told us that they are the enemy and that He has given us a powerful weapon to use against them in the form of the sword of the spirit, which is the Word of God. To attack our spiritual enemies with the Word means simply that we must speak God’s Word against them.
Jesus Himself gave us an example. When Jesus was attacked by Satan, He spoke directly to him. (“Begone, Satan! For it is written…” (Matthew 4:10) He has given us a model to follow. God has given us Scriptures to use to drive Satan off. Satan would like for us to feel so foolish about using them that we would try “some other strategy.” We need to tell him what God has given us to tell him!