2 John 1:7

Because many deceivers went out into the world, who confess not Jesus Christ as coming in flesh. This is the deceiver and the Anti-Christ.

1 John 4:1-3

Beloved, believe not every spirit, but try the spirits, whether they are of God; because many false prophets have gone forth into the world.

1 John 2:26

These things I wrote to you concerning those who would deceive you.

John 1:14

And the Word became flesh, and tabernacled among us, (and we beheld His glory??lory as of the Only Begotten from the Father), full of grace and truth.

1 Timothy 3:16

And, confessedly, great is the mystery of godliness; God was manifested in flesh, was justified in the Spirit, was seen by angels, preached among the gentiles, believed on in the world, taken up in glory.

2 Peter 2:1-3

But there arose false prophets also among the people, as among you also there will be false teachers, who, indeed, will stealthily bring in destructive heresies, denying even the Master Who bought them, bringing upon themselves swift destruction:

1 John 2:18-22

Little children, it is the last hour; and, as ye heard that Anti-Christ is coming, even now many anti-christs have arisen; whence we know that it is the last hour.

Revelation 12:9

And the great dragon was cast down, the old serpent, he that is called the Devil and Satan, who deceives the whole habitable earth; he was cast down to the earth, and his angels were cast down with him.

Revelation 13:14

And he deceives those who dwell on the earth by reason of the signs which it was given him to do in the sight of the beast; saying to those dwelling on the earth, that they should make an image to the beast, who has the stroke of the sword, and lived.

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 arose false prophets also among the people, as among you also there will be false teachers, who, indeed, will stealthily bring in destructive heresies, denying even the Master Who bought them, bringing upon themselves swift destruction:
1 John 2:18
Little children, it is the last hour; and, as ye heard that Anti-Christ is coming, even now many anti-christs have arisen; whence we know that it is the last hour.
1 John 4:1
Beloved, believe not every spirit, but try the spirits, whether they are of God; because many false prophets have gone forth into the world.

Who

John 1:14
And the Word became flesh, and tabernacled among us, (and we beheld His glory??lory as of the Only Begotten from the Father), full of grace and truth.
1 Timothy 3:16
And, confessedly, great is the mystery of godliness; God was manifested in flesh, was justified in the Spirit, was seen by angels, preached among the gentiles, believed on in the world, taken up in glory.
1 John 4:2
In this ye know the Spirit of God: every spirit that confesses that Jesus Christ hath come in flesh is of God;
Revelation 12:9
And the great dragon was cast down, the old serpent, he that is called the Devil and Satan, who deceives the whole habitable earth; he was cast down to the earth, and his angels were cast down with him.
Revelation 13:14
And he deceives those who dwell on the earth by reason of the signs which it was given him to do in the sight of the beast; saying to those dwelling on the earth, that they should make an image to the beast, who has the stroke of the sword, and lived.

This is

1 John 2:22
Who is the liar, but he that denies that Jesus is the Christ? This is the Anti-Christ, he that denies the Father and the Son.
1 John 4:3
and every spirit that confesses not Jesus is not of God; and this is the spirit of the Anti-Christ, of which ye have heard that it is coming, and now it is in the world already.