A common misinterpretation twists this verse to promote cult-like loyalty to specific modern leaders or denominations by equating their words with the apostles', ignoring that John addressed first-century apostolic authority amid Gnostic heresies; others misuse it to dismiss all disagreement as demonic without self-examination or biblical testing, fostering division rather than unity in truth, or conversely, to argue against any authoritative teaching today, undermining scriptural exhortations to sound doctrine.
I John 4:6
King James Version (1769)
6 We are of God: he that knoweth God heareth us; he that is not of God heareth not us. Hereby know we the spirit of truth, and the spirit of error.
This passage from John's first epistle emphasizes discernment between true and false spiritual influences by response to apostolic teaching; those who truly know God recognize and heed the words of God's messengers like John and his fellow apostles, while those not of God reject them, providing a clear test to distinguish the spirit of truth from the spirit of error in a context of widespread false prophets denying Christ's incarnation.