This Sunday we end our sermon series on the book of Acts almost at the beginning, the day that started it all for the disciples and their bold witness to the resurrection of Jesus the Messiah: Pentecost. The fire of heaven blew through the gathering, Luke recounts, emboldening the disciples to continue what King Jesus had only begun. Let's think through this Sunday just what the gift of the Holy Spirit was and is for, according to our text from Acts 2. The Holy Spirit has come upon all those baptized in Christ, but why and for what purpose?