Verse 19 warns against those who love to spread immorality and slander among believers, stating that they will face severe punishment in this world and the hereafter. The verse emphasizes the gravity of such actions and the need to maintain a righteous community.

Verse 20 highlights God's grace and mercy, reminding believers that without His favor and compassion, they would be lost. It underscores the importance of gratitude and awareness of God's benevolence.