A - About: God warns Jerusalem of imminent judgment due to deep-rooted sin and hypocrisy. Outward reforms are not enough; inward repentance is required. B - Best Verse: Jeremiah 4:14 - "O Jerusalem, wash your heart from wickedness, that you may be saved. How long shall your evil thoughts lodge within you?" C - Call to Action: Examine your heart for hidden sin. Turn away from darkness and walk in the light of Christ. Pursue genuine repentance, not empty religion.