By this you know the Spirit of God: every spirit that confesses that Jesus Christ has come in the flesh is from God,
2 Hereby, or by this, know ye He lays down a special mark by which they might more easily distinguish between true and false prophets. Yet he only repeats here what we have met with before, that as Christ is the object at which faith aims, so he is the stone at which all heretics stumble.
The apostle, having said that God's dwelling in and with us may be known by the Spirit that he hath given us, intimates that that Spirit may be discerned and distinguished from other spirits that appear in the world; and so here, I. He calls the disciples, to whom he writes, to caution and scrutiny about the spirits and spiritual professors that had now risen. 1.
Commenting on 1 John 4:1-3
Hereby know ye the Spirit of God,.... This is a rule by which believers may know whether a man professing to have the Spirit of God, and to be called and sent by him, and whether the, doctrine he preaches, is of him or not: every spirit that confesseth that Jesus Christ is come in the flesh, is of God; or of the Spirit of...