14 distinct Greek words appear in this verse.

• Spiritual Warfare
• Truth

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

• 1Cor 2:12 — Now we have received, not the spirit of the world, but the spirit which is of God; that we might know the things that are freely given to us of God.
• 1Cor 14:37 — If any man think himself to be a prophet, or spiritual, let him acknowledge that the things that I write unto you are the commandments of the Lord.
• 1Cor 14:37 — If any man think himself to be a prophet, or spiritual, let him acknowledge that the things that I write unto you are the commandments of the Lord.
• 1John 3:10 — In this the children of God are manifest, and the children of the devil: whosoever doeth not righteousness is not of God, neither he that loveth not his brother.
• 1John 4:1 — Beloved, believe not every spirit, but try the spirits whether they are of God: because many false prophets are gone out into the world.
• 1John 4:4 — Ye are of God, little children, and have overcome them: because greater is he that is in you, than he that is in the world.
• 1John 4:4 — Ye are of God, little children, and have overcome them: because greater is he that is in you, than he that is in the world.
• 1John 4:8 — He that loveth not knoweth not God; for God is love.
• 1John 4:12 — No man hath seen God at any time. If we love one another, God dwelleth in us, and his love is perfected in us.
• 1John 5:18 — We know that whosoever is born of God sinneth not; but he that is begotten of God keepeth himself, and that wicked one toucheth him not.
• 1Tim 4:1 — Now the Spirit speaketh expressly, that in the latter times some shall depart from the faith, giving heed to seducing spirits, and doctrines of devils;
• 1Tim 4:1 — Now the Spirit speaketh expressly, that in the latter times some shall depart from the faith, giving heed to seducing spirits, and doctrines of devils;
• 2Cor 10:7 — Do ye look on things after the outward appearance? If any man trust to himself that he is Christ’s, let him of himself think this again, that, as he is Christ’s, even so are we Christ’s.
• 2Thess 1:8 — In flaming fire taking vengeance on them that know not God, and that obey not the gospel of our Lord Jesus Christ:
• 2Thess 2:9 — Even him, whose coming is after the working of Satan with all power and signs and lying wonders,
• Hos 2:20 — I will even betroth thee unto me in faithfulness: and thou shalt know the LORD.
• Isa 8:20 — To the law and to the testimony: if they speak not according to this word, it is because there is no light in them.
• Isa 29:10 — For the LORD hath poured out upon you the spirit of deep sleep, and hath closed your eyes: the prophets and your rulers, the seers hath he covered.
• John 8:19 — Then said they unto him, Where is thy Father? Jesus answered, Ye neither know me, nor my Father: if ye had known me, ye should have known my Father also.
• John 8:45 — And because I tell you the truth, ye believe me not.
• John 10:26 — But ye believe not, because ye are not of my sheep, as I said unto you.
• John 10:27 — My sheep hear my voice, and I know them, and they follow me:
• John 13:20 — Verily, verily, I say unto you, He that receiveth whomsoever I send receiveth me; and he that receiveth me receiveth him that sent me.
• John 14:17 — Even the Spirit of truth; whom the world cannot receive, because it seeth him not, neither knoweth him: but ye know him; for he dwelleth with you, and shall be in you.
• John 14:17 — Even the Spirit of truth; whom the world cannot receive, because it seeth him not, neither knoweth him: but ye know him; for he dwelleth with you, and shall be in you.
• John 15:26 — But when the Comforter is come, whom I will send unto you from the Father, even the Spirit of truth, which proceedeth from the Father, he shall testify of me:
• John 16:13 — Howbeit when he, the Spirit of truth, is come, he will guide you into all truth: for he shall not speak of himself; but whatsoever he shall hear, that shall he speak: and he will shew you things to co
• John 16:13 — Howbeit when he, the Spirit of truth, is come, he will guide you into all truth: for he shall not speak of himself; but whatsoever he shall hear, that shall he speak: and he will shew you things to co
• John 17:3 — And this is life eternal, that they might know thee the only true God, and Jesus Christ, whom thou hast sent.
• John 18:37 — Pilate therefore said unto him, Art thou a king then? Jesus answered, Thou sayest that I am a king. To this end was I born, and for this cause came I into the world, that I should bear witness unto th
• John 18:37 — Pilate therefore said unto him, Art thou a king then? Jesus answered, Thou sayest that I am a king. To this end was I born, and for this cause came I into the world, that I should bear witness unto th
• Jude 1:17 — But, beloved, remember ye the words which were spoken before of the apostles of our Lord Jesus Christ;
• Luke 10:22 — All things are delivered to me of my Father: and no man knoweth who the Son is, but the Father; and who the Father is, but the Son, and he to whom the Son will reveal him.
• Mic 3:8 — But truly I am full of power by the spirit of the LORD, and of judgment, and of might, to declare unto Jacob his transgression, and to Israel his sin.