By this you know the Spirit of God: every spirit that confesses that Jesus Christ has come in the flesh is from God;

and every spirit that does not confess Jesus is not from God; this is the spirit of the antichrist, which you have heard is coming, and now it is already in the world.

We are from God. The one who knows God listens to us; the one who is not from God does not listen to us. By this we know the spirit of truth and the spirit of error.