Then Peter said unto them, Repent, and be baptized every one of you in the name of Jesus Christ for the remission of sins, and ye shall receive the gift of the Holy Ghost.
Peter told his listeners that they should repent and be baptized in the name of Jesus for the remission of sin. First, they were to repent, acknowledging their guilt, and taking sides with God. Then, they were to be baptized for the remission of their sin. This verse does not teach that salvation comes through baptism, for the following reasons – 1) salvation is by faith in the Lord Jesus Christ (John 1:12; Acts 16:31; Romans 10:9; Ephesians 2:8), 2) the thief on the cross had the assurance of salvation, apart from baptism (Luke 23:43), 3) Jesus did not baptize anyone (John 4:2), and 4) Paul was thankful that he had only baptized a few of the Corinthians (1 Corinthians 1:14-16). The Jews, by repentance, acknowledged their sin to God and when baptized, dissociated themselves from the nation of Israel and identified themselves with Christ. When we are born-again and baptized, we no longer identify with the world, religion, or the kingdom of darkness but with Christ.