What is the armor of God, piece by piece?
The armor of God is God's provision for standing in the fight: truth, righteousness, the good news of peace, faith, salvation, the word of God, and prayer. It is not a call to try harder on our own. It is the way we are strong in the Lord and in the strength of His might, piece by piece, standing where Christ has already won.
This question arose from studying What is spiritual warfare?.
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What the Scripture says
The strength comes from the Lord first
Paul's command is not first 'put on the armor' but 'be strong in the Lord': the armor is how we lean into His strength, not a list of self-improvement tasks. David sang that the Lord is his rock and his shield, and Paul boasted that when he was weak, then he was strong in Christ's power. Every piece of armor is a gift to be received before it is a discipline to be worn.
Finally, be strong in the Lord, and in the strength of his might. Put on the whole armor of God, that you may be able to stand against the wiles of the devil.
Yahweh is my rock, my fortress, and my deliverer; my God, my rock, in whom I take refuge; my shield, and the horn of my salvation, my high tower.
He has said to me, “My grace is sufficient for you, for my power is made perfect in weakness.” Most gladly therefore I will rather glory in my weaknesses, that the power of Christ may rest on me. Therefore I take pleasure in weaknesses, in injuries, in necessities, in persecutions, in distresses, for Christ’s sake. For when I am weak, then am I strong.
I can do all things through Christ, who strengthens me.
The belt of truth and the breastplate of righteousness
Truth is what everything else hangs on: Jesus says He is the truth, and the Psalmist asks God for truth in the inward parts. The breastplate guards the heart with righteousness, which in the gospel is first Christ's righteousness credited to us and then His righteousness worked in us. When the accuser aims at your heart, the breastplate answers with what God says is true about the one who is in Christ.
Stand therefore, having the utility belt of truth buckled around your waist, and having put on the breastplate of righteousness,
Jesus said to him, “I am the way, the truth, and the life. No one comes to the Father, except through me.
Behold, you desire truth in the inward parts. You teach me wisdom in the inmost place.
But of him, you are in Christ Jesus, who was made to us wisdom from God, and righteousness and sanctification, and redemption:
and be found in him, not having a righteousness of my own, that which is of the law, but that which is through faith in Christ, the righteousness which is from God by faith;
He put on righteousness as a breastplate, and a helmet of salvation on his head; and he put on garments of vengeance for clothing, and was clad with zeal as a mantle.
The shoes of peace and the shield of faith
The shoes make us ready to go with the good news of peace, free to move even in hostile territory, carrying reconciliation rather than our own resentments. The shield of faith is taken up above all, because faith receives what God has promised and quenches the fiery darts of doubt, fear, and accusation. Faith does not mean feeling strong; it means holding onto the stronger one who has already overcome the world.
and having fitted your feet with the preparation of the Good News of peace; above all, taking up the shield of faith, with which you will be able to quench all the fiery darts of the evil one.
And how will they preach unless they are sent? As it is written: “How beautiful are the feet of those who preach the Good News of peace, who bring glad tidings of good things!”
For whatever is born of God overcomes the world. This is the victory that has overcome the world: your faith.
whom not having known you love; in whom, though now you don’t see him, yet believing, you rejoice greatly with joy unspeakable and full of glory— receiving the result of your faith, the salvation of your souls.
You are of God, little children, and have overcome them; because greater is he who is in you than he who is in the world.
The helmet of salvation and the sword of the Spirit
The helmet protects the mind with the certainty of salvation: hope set on what God has done and promised. The sword of the Spirit is the word of God, the only offensive weapon in the list, and Jesus wielded it against the tempter by quoting Scripture, not by arguing in His own strength. The word is living and active, able to cut through lies and to be the sword we carry into every fight.
And take the helmet of salvation, and the sword of the Spirit, which is the word of God;
But let us, since we belong to the day, be sober, putting on the breastplate of faith and love, and, for a helmet, the hope of salvation.
For the word of God is living, and active, and sharper than any two-edged sword, and piercing even to the dividing of soul and spirit, of both joints and marrow, and is able to discern the thoughts and intentions of the heart.
But he answered, “It is written, ‘Man shall not live by bread alone, but by every word that proceeds out of the mouth of God.’”
Jesus answered him, saying, “It is written, ‘Man shall not live by bread alone, but by every word of God.’”
Prayer is the motion of the whole armor
Paul ends with prayer at all times in the Spirit, with all perseverance, for all the saints: the armor is worn standing still, but prayer is the breathing in which the soldier lives and moves. We put on the armor and then we pray, because the battle is the Lord's and we ask Him to fight it. None of the pieces work apart from reliance on the one who gives them.
with all prayer and requests, praying at all times in the Spirit, and being watchful to this end in all perseverance and requests for all the saints:
Watch and pray, that you don’t enter into temptation. The spirit indeed is willing, but the flesh is weak.”
Continue steadfastly in prayer, watching therein with thanksgiving; praying together for us also, that God may open to us a door for the word, to speak the mystery of Christ, for which I am also in bonds;
He also spoke a parable to them that they must always pray, and not give up,
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Finally, be strong in the Lord, and in the strength of his might. Put on the whole armor of God, that you may be able to stand against the wiles of the devil.
Stand therefore, having the utility belt of truth buckled around your waist, and having put on the breastplate of righteousness,
above all, taking up the shield of faith, with which you will be able to quench all the fiery darts of the evil one.
And take the helmet of salvation, and the sword of the Spirit, which is the word of God;
with all prayer and requests, praying at all times in the Spirit, and being watchful to this end in all perseverance and requests for all the saints:
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