God chose tongues as the initial evidence of receiving the Holy Ghost. Speaking in tongues is God speaking through believers in a language we have not learned. The languages are real. As seen in the second chapter of Acts, sometimes people that hear others speaking in tongues will recognize the languages that are being spoken.
The idea of speaking in tongues was not a new concept to those in the upper room awaiting the gift that Jesus told them to wait for. They had read the Old Testament Prophets that had prophesied about God using tongues in the new covenant. Isaiah prophesied that God’s people would speak with tongues.Learn More