This verse is often misinterpreted as a mere verbal test for salvation, implying that anyone who utters 'Jesus is Lord' is automatically Spirit-filled, overlooking Paul's warning against false professions amid Corinth's idolatrous influences and the need for accompanying fruits of the Spirit; alternatively, some charismatic groups overemphasize ecstatic utterances as the only proof, reducing the Spirit's work to phenomena rather than its Christ-exalting essence, or skeptics dismiss it by claiming intellectual assent suffices without supernatural regeneration.
I Corinthians 12:3
King James Version (1769)
3 Wherefore I give you to understand, that no man speaking by the Spirit of God calleth Jesus accursed: and that no man can say that Jesus is the Lord, but by the Holy Ghost.
In the context of addressing divisions and misuse of spiritual gifts in the Corinthian church, Paul asserts that the Holy Spirit's presence is revealed through Christ-honoring speech: no one empowered by the Spirit will curse Jesus, and genuine confession of Jesus as Lord requires the Holy Spirit's enablement, emphasizing that true spiritual discernment and unity stem from this divine authentication rather than human eloquence or ecstatic experiences.