1 John 4:2-3 Hereby is known the Spirit of God; every spirit that confesseth that Jesus Christ is come in the flesh is of God:

JPS_ASV_Byz⁽ⁱ⁾ ² Hereby is known the Spirit of God; every spirit that confesseth that Jesus Christ is come in the flesh is of God: ³ and every spirit that confesseth not that Jesus Christ is come in the flesh is not of God; and this is the spirit of the antichrist, whereof ye have heard that it cometh, and now it is in the world already.