How do we know God's truth endures forever?

The phrase 'the truth of the Lord endureth forever' in Psalm 117 highlights God's unwavering faithfulness. This truth signifies His stability and reliability in all His promises. In Lamentations 3:22-23, it is affirmed that God's mercies are new every morning, showcasing His consistency across generations. God has declared His purpose since eternity, and His counsel will stand (Isaiah 46:10). His truth assures us that all things work together for good to those who love Him (Romans 8:28), reinforcing that His promises are steadfast and secure for His people.