Then Peter said to them, “Repent, and let every one of you be baptized in the name of Jesus Christ for the remission of sins; and you shall receive the gift of the Holy Spirit. – Acts 2:38
baptism at redemption
Christian baptism is one of two ordinances that Jesus instituted for the church. Just before His ascension, Jesus said, “Go and make disciples of all nations, baptizing them in the name of the Father and of the Son and of the Holy Spirit, and teaching them to obey everything I have commanded you. And surely I am with you always, to the very end of the age” – Matthew 28:19–20
Christian baptism is the means by which a person makes a public profession of faith and discipleship. In the waters of baptism, a person says, wordlessly, “I confess faith in Christ; Jesus has cleansed my soul from sin, and I now have a new life of sanctification.”
Colossians 2:12 states that being submerged in the water represents death to sin, and emerging from the water represents the cleansed, holy life that follows salvation. Romans 6:4 puts it this way: “We were therefore buried with him through baptism into death in order that, just as Christ was raised from the dead through the glory of the Father, we too may live a new life.”Very simply, baptism is an outward testimony of the inward change in a believer’s life.