Peter states that we do not take water baptism in order to remove dirt from our bodies, but we do it for conscience sake, as an appeal to God (1 Peter 3:21) . He makes a connection with baptism in water and rememberingJess is in heaven.
Jesus said he was baptized in water to fulfill all righteousness (Mt. 3:15). All Christians are told to be baptized in water (Acts 3:38). Paul says we who are baptized into Christ are baptized into his death, so that we can be free from sin (Romans 6:1-12).
The process of baptism is a picture of being buried with Christ and a testimony to the world that we have committed ourselves to be obedient to him.
