"Put off…the old man, which is corrupt…be renewed in the spirit of your mind…put on the new man, which after God is created in righteousness and true holiness" (Ephesians 4:22-24)
In Alma 24, the converted Lamanites, now known as Anti-Nephi-Lehies, bring the above scripture to life. The king expresses this group's collective praise to God that "he hath forgiven us of those our many sins and murders which we have committed, and taken away the guilt from our hearts, through the merits of his Son" (verse 10).
The king then expresses fear as to how God might react should they ever go back to their former ways of killing and murdering. Based on this, the entire group comes to a collective decision: