Is speaking in tongues the proof you have the Holy Spirit — or are Pentecostals building an entire theology on one passage in Acts?
Millions of Christians believe that speaking in tongues is the initial physical evidence of Spirit baptism. Millions of others say that idea isn't in the Bible at all and that demanding a specific sign is divisive, manipulative, and spiritually dangerous. Pick a side: is tongues the real deal, a misread of Scripture, or something in between?