1 John 4:3

3 But if someone claims to be a prophet and does not acknowledge the truth about Jesus, that person is not from God. Such a person has the spirit of the Antichrist, which you heard is coming into the world and indeed is already here.

1 John 4:3 Meaning and Commentary

1 John 4:3

And every spirit that confesseth not
The proper deity and sonship of Christ, his true and real humanity, and his Messiahship; or any of his offices, doctrines, and ordinances; or his satisfaction and righteousness; or that peace, pardon, justification, life, and salvation, are by him; all which are meant by what follows,

that Jesus Christ is come in the flesh:
this clause is left out in the Ethiopic version, and that without hurting the sense, since it is easily supplied from the preceding verse; and the Alexandrian copy, and the Vulgate Latin version, only read "Jesus": and the latter reads the whole thus, "and every spirit that dissolves Jesus"; that separates the two natures, human and divine, in him, and makes two persons of them; or denies either of them, either that he is truly God, or really man, or denies him to be Jesus, the Saviour; who, as much as in him lies, destroys his person, office, and work, and makes void his obedience, sufferings, and death:

is not of God;
neither he nor his doctrine are of God; his doctrine cannot come from God, being contrary to the word of God; and he himself is neither born of God, nor on his side.

And this is that [spirit] of antichrist:
who is against Christ, or opposes himself to him; as he who denies his sonship, his deity, his humanity, his offices, and his grace, manifestly does; every doctrine that is calculated against these truths is the spirit and doctrine of antichrist:

whereof you have heard that it should come, and even now already is
it the world;
in the false teachers, the forerunners of antichrist; (See Gill on 1 John 2:18).

1 John 4:3 In-Context

1 Dear friends, do not believe everyone who claims to speak by the Spirit. You must test them to see if the spirit they have comes from God. For there are many false prophets in the world.
2 This is how we know if they have the Spirit of God: If a person claiming to be a prophet acknowledges that Jesus Christ came in a real body, that person has the Spirit of God.
3 But if someone claims to be a prophet and does not acknowledge the truth about Jesus, that person is not from God. Such a person has the spirit of the Antichrist, which you heard is coming into the world and indeed is already here.
4 But you belong to God, my dear children. You have already won a victory over those people, because the Spirit who lives in you is greater than the spirit who lives in the world.
5 Those people belong to this world, so they speak from the world’s viewpoint, and the world listens to them.
Holy Bible. New Living Translation copyright© 1996, 2004, 2007, 2013 by Tyndale House Foundation. Used by permission of Tyndale House Publishers Inc., Carol Stream, Illinois 60188. All rights reserved.