12 distinct Greek words appear in this verse.

• Righteousness
• Spiritual Warfare
• Truth

4 passages from patristic writers, Reformers, and church catechisms citing this verse.

• 1Cor 2:4 — And my speech and my preaching was not with enticing words of man’s wisdom, but in demonstration of the Spirit and of power:
• 1Cor 2:5 — That your faith should not stand in the wisdom of men, but in the power of God.
• 1Thess 5:8 — But let us, who are of the day, be sober, putting on the breastplate of faith and love; and for an helmet, the hope of salvation.
• 1Thess 5:8 — But let us, who are of the day, be sober, putting on the breastplate of faith and love; and for an helmet, the hope of salvation.
• 1Tim 6:12 — Fight the good fight of faith, lay hold on eternal life, whereunto thou art also called, and hast professed a good profession before many witnesses.
• 2Cor 4:2 — But have renounced the hidden things of dishonesty, not walking in craftiness, nor handling the word of God deceitfully; but by manifestation of the truth commending ourselves to every man’s conscienc
• 2Cor 7:14 — For if I have boasted any thing to him of you, I am not ashamed; but as we spake all things to you in truth, even so our boasting, which I made before Titus, is found a truth.
• 2Cor 10:4 — (For the weapons of our warfare are not carnal, but mighty through God to the pulling down of strong holds;)
• 2Cor 10:4 — (For the weapons of our warfare are not carnal, but mighty through God to the pulling down of strong holds;)
• 2Cor 13:4 — For though he was crucified through weakness, yet he liveth by the power of God. For we also are weak in him, but we shall live with him by the power of God toward you.
• 2Tim 1:8 — Be not thou therefore ashamed of the testimony of our Lord, nor of me his prisoner: but be thou partaker of the afflictions of the gospel according to the power of God;
• 2Tim 2:15 — Study to shew thyself approved unto God, a workman that needeth not to be ashamed, rightly dividing the word of truth.
• 2Tim 4:7 — I have fought a good fight, I have finished my course, I have kept the faith:
• Col 1:5 — For the hope which is laid up for you in heaven, whereof ye heard before in the word of the truth of the gospel;
• Eph 1:13 — In whom ye also trusted, after that ye heard the word of truth, the gospel of your salvation: in whom also after that ye believed, ye were sealed with that holy Spirit of promise,
• Eph 3:20 — Now unto him that is able to do exceeding abundantly above all that we ask or think, according to the power that worketh in us,
• Eph 6:11 — Put on the whole armour of God, that ye may be able to stand against the wiles of the devil.
• Eph 6:11 — Put on the whole armour of God, that ye may be able to stand against the wiles of the devil.
• Eph 6:14 — Stand therefore, having your loins girt about with truth, and having on the breastplate of righteousness;
• Isa 11:5 — And righteousness shall be the girdle of his loins, and faithfulness the girdle of his reins.
• Isa 59:17 — For he put on righteousness as a breastplate, and an helmet of salvation upon his head; and he put on the garments of vengeance for clothing, and was clad with zeal as a cloak.
• Jas 1:18 — Of his own will begat he us with the word of truth, that we should be a kind of firstfruits of his creatures.
• Job 29:14 — I put on righteousness, and it clothed me: my judgment was as a robe and a diadem.
• John 18:11 — Then said Jesus unto Peter, Put up thy sword into the sheath: the cup which my Father hath given me, shall I not drink it?
• Neh 4:17 — They which builded on the wall, and they that bare burdens, with those that laded, every one with one of his hands wrought in the work, and with the other hand held a weapon.
• Phil 4:10 — But I rejoiced in the Lord greatly, that now at the last your care of me hath flourished again; wherein ye were also careful, but ye lacked opportunity.
• Ps 119:43 — And take not the word of truth utterly out of my mouth; for I have hoped in thy judgments.
• Rom 13:12 — The night is far spent, the day is at hand: let us therefore cast off the works of darkness, and let us put on the armour of light.