Believe not every spirit — Whereby any teacher is actuated. But try the spirits — By the rule which follows. We are to try all spirits by the written word: "To the law and to the testimony!" If any man speak not according to these, the spirit which actuates him is not of God.
Related Commentaries of 1 John 4:1
1 John 4:1
1 Beloved, believe not every spirit, but try the spirits whether they are of God: because many false prophets are gone out into the world.