1 John 4:3

and any inspired utterance that does not acknowledge Jesus does not come from God; it is the inspiration of the Antichrist. You have heard that it was coming, and here it is already in the world.

1 John 2:18

Children, it is the last hour. You have heard that Antichrist is coming, and many Antichrists have indeed appeared. So we may be sure that it is the last hour.

1 John 2:22

Who is such a liar as the man who denies that Jesus is the Christ? He is the real Antichrist??he man who disowns the Father and the Son.

2 John 1:7

For many impostors have gone out into the world??en who do not acknowledge the coming of Jesus Christ in human form. That is the mark of the impostor and the Antichrist.

2 Thessalonians 2:3-8

You must not let anyone deceive you at all. For that is not until the rebellion takes place and the embodiment of disobedience makes his appearance??e who is doomed to destruction,

Treasury of Scripture Knowledge

Summary

And every spirit that confesseth not that Jesus Christ is come in the flesh is not of God: and this is that spirit of antichrist, whereof ye have heard that it should come; and even now already is it in the world.

General references

Bible References

And this

1 John 2:18
Children, it is the last hour. You have heard that Antichrist is coming, and many Antichrists have indeed appeared. So we may be sure that it is the last hour.
2 Thessalonians 2:7
For disobedience is already secretly at work, but only until he who is now holding it in check is gotten out of the way.
2 John 1:7
For many impostors have gone out into the world??en who do not acknowledge the coming of Jesus Christ in human form. That is the mark of the impostor and the Antichrist.

General references

John 8:47
Whoever is sprung from God listens to God's words. The reason you refuse to listen is that you are not sprung from God."