1 John 4:3

Amplified Bible, Classic Edition

³ And every spirit which does not acknowledge and confess that Jesus Christ has come in the flesh [but would ^[a]annul, destroy, ^[b]sever, disunite Him] is not of God [does not proceed from Him]. This [^[c]nonconfession] is the [spirit] of the antichrist, [of] which you heard that it was coming, and now it is already in the world.