(for the weapons of our warfare are not of the flesh, but mighty before God to the casting down of strongholds);

The weapons of our warfare are not the weapons of the world. Instead, they have divine power to demolish strongholds.

for the weapons of our warfare are not fleshly, but powerful to God for bringing down of strongholds,

For the arms of our warfare [are] not fleshly, but powerful according toGod to [the] overthrow of strongholds;