from death to life
Baptism is the act of publicly professing what has already happened in your heart when you've come to believe in Jesus. Baptism is a pivotal event in the life of a Christian. For the Early Church, Baptism was an unmistakable sign that marked a person as a follower of Jesus Christ. Just as Jesus was buried in death, so too, Christians are submerged beneath the baptistry waters. And as Jesus was raised from the dead, so Christians are brought out of the water to walk in newness of life. We are dead in our sins, and alive with Christ.
While baptism does not save us, it is an important step of obedience and a reflection of commitment to follow Jesus.