7 For many deceivers have entered into the world, who confess not that Jesus Christ is come in the flesh. This is a deceiver, and an antichrist.
2 John 1:7 Cross References - Webster
John 1:14
14 And the Word was made flesh, and dwelt among us, (and we beheld his glory, the glory as of the only begotten of the Father,) full of grace and truth.
1 Timothy 3:16
16 And without controversy, great is the mystery of godliness: God was manifest in the flesh, justified in the Spirit, seen by angels, preached to the Gentiles, believed on in the world, received up into glory.
2 Peter 2:1-3
1 But there were false prophets also among the people, even as there will be false teachers among you, who will privately bring in damnable heresies, even denying the Lord that bought them, and bring upon themselves swift destruction.
2 And many will follow their pernicious ways; by reason of whom the way of truth will be evil spoken of.
3 And through covetousness they will with feigned words make merchandise of you: whose judgment now of a long time lingereth not, and their damnation slumbereth not.
1 John 2:18-22
18 Little children, it is the last time: and as ye have heard that antichrist cometh, even now are there many antichrists; by which we know that it is the last time.
19 They went out from us, but they were not of us; for if they had been of us, they would no doubt have continued with us: but they went out, that they might be made manifest that they were not all of us.
20 But ye have an unction from the Holy One, and ye know all things.
21 I have not written to you because ye know not the truth, but because ye know it, and that no lie is of the truth.
22 Who is a liar but he that denieth that Jesus is the Christ? He is antichrist, that denieth the Father and the Son.
1 John 2:26
26 These things have I written to you concerning them that seduce you.
1 John 4:1-3
1 Beloved, believe not every spirit, but try the spirits whether they are of God: because many false prophets have gone out into the world.
2 By this ye know the Spirit of God: Every spirit that confesseth that Jesus Christ hath come in the flesh, is from God:
3 And every spirit that confesseth not that Jesus Christ is come in the flesh, is not from God. And this is that spirit of antichrist, of which ye have heard that it should come; and even now already it is in the world.
Revelation 12:9
9 And the great dragon was cast out, that old serpent, called the Devil, and Satan, which deceiveth the whole world: he was cast out upon the earth, and his angels were cast out with him.
Revelation 13:14
14 And deceiveth them that dwell on the earth by the means of those miracles which he had power to do in the sight of the beast; saying to them that dwell on the earth, that they should make an image to the beast, which had the wound by a sword, and lived.