1 John 4:1-7 NKJV

1 Beloved, do not believe every spirit, but test the spirits, whether they are of God; because many false prophets have gone out into the world.
2 By this you know the Spirit of God: Every spirit that confesses that Jesus Christ has come in the flesh is of God,
3 and every spirit that does not confess that Jesus Christ has come in the flesh a is not of God. And this is the spirit of the Antichrist, which you have heard was coming, and is now already in the world.

References for 1 John 4:3

    • k 4:3 - NU-Text omits that and Christ has come in the flesh.
      4 You are of God, little children, and have overcome them, because He who is in you is greater than he who is in the world.
      5 They are of the world. Therefore they speak as of the world, and the world hears them.
      6 We are of God. He who knows God hears us; he who is not of God does not hear us. By this we know the spirit of truth and the spirit of error.
      7 Beloved, let us love one another, for love is of God; and everyone who loves is born of God and knows God.