Since the imagery of war and armor is quite prominent throughout the NT, this section in Ephesians does not specifically represent any new teaching. Paul, for example, speaks of his own Christian life as a spiritual fight (1 Cor. 9:24–27), and the author of the Pastorals encourages Timothy to “fight the good fight” (1 Tim. 1:18; 6:12) in an age of apostasy. On several occasions Paul even identifies the weapons that the Christian is to use. Because the battle is a spiritual one, he says, “the weapons we fight with are not the weapons of the world. On the contrary, they have divine power to demolish strongholds” (2 Cor. 10:4). He exhorts the Romans to “put on the armor of light” (Rom. 13:12), whereas his admonition to the Thessalonians is to be “putting on faith and love as a breastplate, an…