Whosoever denies the Son, the same has not the Father: [but] he that confesses the Son has the Father also.

By this you know the Spirit of God: Every spirit that confesses that Jesus Christ is come in the flesh is of God:

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