Summary
The psalm begins with an exhortation to sing joyfully and give thanks to the LORD, the rock of salvation. It affirms God's supremacy and His dominion over creation—earth, hills, sea, and dry land—highlighting His creative acts. Worship is urged with reverence, calling the people to kneel before their Maker. The psalm recalls the Israelites' hardening of hearts during wilderness wanderings, reminding them that God warned them that they would not enter His rest if they persisted in disobedience. It ends with a solemn reminder of God's judgment and the consequences of rejecting His guidance.