The weapons we fight with, are not the weapons of the the world. On the contrary, they have divine power to demolish strongholds. We demolish arguments and every pretension that sets itself up against the knowledge of God, and we take captive every thought to make it obedient to Christ. And we will be ready to punish every act of disobedience, once your obedience is complete.
You are looking only on the surface of things. If anyone is confident that he belongs to Christ, he should consider again that we belong to Christ just as much as he. For even if I boast somewhat freely about the authority the Lord gave us for building you up rather than pulling you down, I will not be ashamed of it. I do not want to seem to be trying to frighten you with my letters. For some say, 'His letters are weighty and forceful, but in person he is unimpressive and his speaking amounts to nothing.' Such people should realize that what we are in our letters when we are absent, we will be in our actions when we are present."
God's Mighty Weapons
By the authority of God, Paul explains the war we will wage in this world. This is a timeless message! But God has provided believers with divine power to demolish strongholds, by living each moment with the thought of obedience to Christ. Don't be looking on the surface of things, but BE CONFIDENT in that fact that you belong to Christ.