Ephesians 6:14. “Stand therefore, having your loins girt about with truth, and having on the breastplate of righteousness.”
Again, we are told to stand. When scripture repeats something over and over, we need to pay close attention. There is a concept out there that we need to chase the Devil away. That’s not how it works. We are fully equipped with the whole defensive armor of God through His Word. We are to wear it, and to stand firm.
So the first piece of armor is a belt of truth. In Paul’s time, men still wore long, loose robes. When they needed to work, or to run, they would often pull those robes up above their knees and hold them in place with a belt or “girdle” tied around the hips. The belt, and the way it was fastened, needed to be reliable so that the man didn’t find himself tripping over his own garments.
Roman soldiers wore short tunics. It was not to show off their manly legs, but to prevent having a longer garment twist and trip them up in battle. Makes sense. I guess they weren’t wearing long pants back then. In any case, the girdle or belt of truth was a primary piece of a soldier’s clothing, allowing him freedom of movement.
Doesn’t truth do that for us? Jesus said, “And ye shall know the truth, and the truth shall make you free” (John 8:32). Of course He was speaking of Himself, since He is the Way, the Truth, and the Life. Knowing Him frees us from the power of sin and death. We are to have our minds girt about with truth so that our thoughts are not carried about by every wind of doctrine.
The second piece of armor is the breastplate of righteousness. This armor protects the heart and other internal organs that are not protected by the bony rib cage. It is righteousness that protects us from Satan’s lies, which penetrate first our minds, and then our hearts. This is a practical righteousness, gained through understanding and application of the truth of God’s Word. Without a breastplate, or perhaps in more modern terms, a kevlar vest, we are easy prey for Satan’s darts.