2 John 1:7

For many deceivers have entered into the world, who con fess not that Jesus Christ came in the flesh: this is the deceiver and the antichrist.

1 John 4:1-3

Beloved, believe not every spirit; but prove the spirits, whether they are from God: for many false prophets have gone out into the world.

1 John 2:26

I have written these things to you concerning those who deceive you.

John 1:14

And the "WORD became flesh, and tabernacled among us, (and we beheld his glory, the glory as of the only begotten of the Father,) full of grace and of truth.

1 Timothy 3:16

And confessedly great is the mystery of godliness: God was manifest in flesh, justified in spirit, seen by angels, preached among the Gentiles, believed on in the world, received up in glory.

2 Peter 2:1-3

But there were false prophets among the people, as there will be false teachers also among you; and these will stealthily introduce ruinous sects, and deny the Lord that bought them, bringing upon themselves swift destruction:

1 John 2:18-22

Little children, it is the last time; and, as you have heard that the antichrist is coming, even now there are many antichrists; by which we know that it is the last time.

Revelation 12:9

And the great dragon, that old serpent, called the Devil, and Satan, who deceives the whole world, was cast into the earth, and his angels were cast out with him.

Revelation 13:14

And he deceives those who dwell on the earth, by means of the signs which he is allowed to do in the presence of the beast, saying to those who dwell on the earth, that they should make an image for the beast which had the wound by the sword, and did live.

Treasury of Scripture Knowledge

Summary

For many deceivers are entered into the world, who confess not that Jesus Christ is come in the flesh. This is a deceiver and an antichrist.

Bible References

Many

2 Peter 2:1
But there were false prophets among the people, as there will be false teachers also among you; and these will stealthily introduce ruinous sects, and deny the Lord that bought them, bringing upon themselves swift destruction:
1 John 2:18
Little children, it is the last time; and, as you have heard that the antichrist is coming, even now there are many antichrists; by which we know that it is the last time.
1 John 4:1
Beloved, believe not every spirit; but prove the spirits, whether they are from God: for many false prophets have gone out into the world.

Who

John 1:14
And the "WORD became flesh, and tabernacled among us, (and we beheld his glory, the glory as of the only begotten of the Father,) full of grace and of truth.
1 Timothy 3:16
And confessedly great is the mystery of godliness: God was manifest in flesh, justified in spirit, seen by angels, preached among the Gentiles, believed on in the world, received up in glory.
1 John 4:2
By this you know the Spirit of God: every spirit that confesses that Jesus Christ came in the flesh, is from God:
Revelation 12:9
And the great dragon, that old serpent, called the Devil, and Satan, who deceives the whole world, was cast into the earth, and his angels were cast out with him.
Revelation 13:14
And he deceives those who dwell on the earth, by means of the signs which he is allowed to do in the presence of the beast, saying to those who dwell on the earth, that they should make an image for the beast which had the wound by the sword, and did live.

This is

1 John 2:22
Who is a liar, but he that denies that Jesus is the Christ? He is antichrist, who denies the Father and the Son.
1 John 4:3
and whatever spirit confesses not that Jesus Christ came in the flesh, is not from God: and this is the spirit of antichrist, of which you have heard that it comes, and is now already in the world.