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.Fleshly weapons cannot successfully assault the formidable strongholds in which sinners have entrenched themselves. Such impotent weapons cannot bring about the destruction of those fortresses, which Paul defined specifically as speculations (logismos), a general word referring to any and all human or demonic thoughts, opinions, reasonings, philosophies, theories, psychologies, perspectives, viewpoints, and religions. The fortresses in view here are not demons, but ideologies...
