What does the Bible say about the sure mercies of David?

The sure mercies of David, as articulated in Psalm 132, reflect the promises God made to David concerning his lineage and the establishment of his throne. God swore an oath to David that He would set one from his body upon his throne, ultimately fulfilled through Jesus Christ. This concept highlights God's unwavering faithfulness in keeping His promises, demonstrating that the mercies bestowed upon David transcend mere temporal matters, pointing instead to spiritual truths found in Christ. God's covenant with David becomes a picture of His sovereign grace, showcasing that all blessings are fulfilled in the Lord Jesus, the true King.