Romans 6:4

We were buried with him and shared his death. A burial implies death. Baptism is a burial. As death and burial terminate physical life, Paul reasons, so should baptism into Christ terminate our "love affair" with sin. [The original mode of baptism was immersion - a burial in water (and the Spirit, John 3:5).] In order that. God's power raised Christ from death. He now lives a new life in heaven. Paul says this is what our baptism means to us. We die to sin, are buried, and raise from the liquid grave to live a new life. Compare 2 Corinthians 5:17.