A — About This passage warns of the coming Day of the Lord, calling God's people to repentance while holding out hope of mercy, restoration, and the outpouring of God's Spirit. B — Best Verse "Now therefore, says the Lord, 'Turn to Me with all your heart, with fasting, with weeping, and with mourning.'" (Joel 2:12) C — Called To Do Repent sincerely, return to the Lord in reverent worship, and live in joyful obedience, knowing both judgment and restoration are certain.