It illustrates Christ´s burial and resurrection (“Christ died for our sins… He was buried… and He rose again.”
1 Cor. 15:3-4, “For when you were baptized, you were buried with Christ, and in baptism you were also raised with Christ.” —Col. 2:12).
It illustrates my new life as a Christian (“When someone becomes a Christian he becomes a brand new person inside. The old life has passed away and a new life has begun!”
2 Cor. 5:17, “By our baptism then, we were buried with Him and shared His death, in order that, just as Christ was raised from the dead…so also we may live a new life!” — Rom. 6:4).
Baptism doesn´t make you a believer—it shows that you already believe. Baptism does not “save” you, only your faith in Christ does that. Baptism is like a wedding ring —it´s the outward symbol of the commitment you make in your heart
Ephesians 2:8-9). “For it is by grace you have been saved, through faith… it is the gift of God—not by works, so that no one can boast.”