What does the Bible say about merciful kindness?

Psalm 117 emphasizes the Lord's merciful kindness, stating that it is great toward us and endures forever. This merciful kindness is closely tied to grace, representing the unmerited favor God extends to His people. It's not based on anything we do but is an outpouring of God's own will and nature. As seen in Exodus 33:19, God declares, 'I will be gracious to whom I will be gracious, and I will show mercy on whom I will show mercy.' This reveals that His kindness is intentional and sovereign, demonstrating that we cannot earn it through our actions.