Baptism has been given to the churches by Christ as a visible sign of the gospel. Baptism is a symbol of union with Christ and entry into His Church but does not impart spiritual life.
Acts 2:41 Those who accepted his message were baptized
Acts 8:12,36-38 when they believed Philip as he preached the good news of the kingdom of God and the name of Jesus Christ, they were baptized
Acts 10:44-48 Can anyone keep these people from being baptized with water? They have received the Holy Spirit just as we have
Acts 16:14-15,31-33 then immediately he and all his family were baptized
Acts 22:16 And now what are you waiting for? Get up, be baptized and wash your sins away, calling on his name
1 Peter 3:21 this water symbolizes baptism that now saves you
