Avoiding Empty Philosophies; Tearing Down Strongholds

For the weapons of our warfare are not of the flesh, but divinely powerful for the destruction of fortresses. We are destroying speculations and every lofty thing raised up against the knowledge of God, and we are taking every thought captive to the obedience of Christ. (2 Corinthians 10:4–5)

To successfully fight the spiritual war requires weapons from the heavenly arsenal. Only those divinely powerful weapons are suited for the destruction of the enemies’ fortresses. That term would convey to the New Testament reader the thought of a formidable stronghold. Corinth, like most major cities in Greece, had an acropolis. Located on a mountain near the city, the acropolis was a fortified place into which the inhabitants could retreat when attacked. Ochuroma (fortresses) was also used in extrabiblical Greek to refer to a prison. People under siege in a fortress were imprisoned there by the attacking forces. The word was also used to refer to a tomb. . . .

http://www.macarthurcommentaries.com