2 Corinthians 10:3

ἐν σαρκὶ γὰρ κ. τ. λ.: for though we walk in the flesh, sc., as all men must do (see reff.), we do not war, i.e., carry on our campaign against evil and the enemies of God, according to the flesh (cf. John 17:15) for the weapons of our warfare (see on 2 Corinthians 6:7) are not carnal (see on 2 Corinthians 1:12), but are mighty before God, i.e., in God's sight, in His estimation (or, perhaps, “ exceeding mighty,” which is the force of τῷ Θεῷ at Jonah 3:3; Acts 7:20; the A.V. “mighty through God,” i.e., “by His aid,” cannot be right), to the casting down of strongholds, which is the ultimate object of every campaign, and which, being achieved, is the seal of victory; καθαίρειν τὰ ὀχυρώματα is the regular LXX phrase for the reduction of a fortress (see Proverbs 21:22; Lamentations 2:2 1Ma 5:65; 1Ma 8:10).