Acts 2:36-38

“Therefore let all the house of Israel know with certainty that God has made this Jesus, whom you crucified, both Lord and Messiah.” When they heard this, they were pierced to the heart and said to Peter and the rest of the apostles, “Brothers, what should we do?” Peter replied, “Repent and be baptized, each of you, in the name of Jesus Christ for the forgiveness of your sins, and you will receive the gift of the Holy Spirit.