What is the message of Psalm 117?

The essence of Psalm 117 captures the inclusivity of God’s grace, as it calls all nations and peoples to praise Him. It serves as the shortest psalm, yet within its two verses is found the profound truth of the gospel, emphasizing the significance of God's merciful kindness towards His people. This psalm resonates with the idea that God’s truth is eternal and unchanging, affirming that His character and covenantal promises guarantee His ongoing faithfulness. Ultimately, it serves a missionary purpose, reminding believers of the call to declare God’s glory and loving kindness to all, as echoed in Matthew 28:19, the Great Commission.