Acts 2:38

2:38 Peter said to them, “Repent, and each one of you be baptized in the name of Jesus Christ for the forgiveness of your sins, and you will receive the gift of the Holy Spirit.

Acts 2:41

2:41 So those who accepted his message were baptized, and that day about three thousand people were added.

Acts 2:47

2:47 praising God and having the good will of all the people. And the Lord was adding to their number every day those who were being saved.