Introduction to Psalms The book of Psalms is a collection of 150 songs and prayers that express every human emotion—from joy and gratitude to grief and despair. It's the most quoted Old Testament book in the New Testament and has been a source of comfort and worship for centuries. Written by multiple authors—David, Asaph, the sons of Korah, Moses, and others—the Psalms were used in both private devotion and public worship. They’re arranged into five sections, reflecting the five books of the Law, and cover a wide span of Israel’s history and spiritual experience. You’ll find psalms of praise, lament, thanksgiving, wisdom, and prophecy. Some declare God’s greatness; others cry out in pain. Many celebrate His faithfulness, while others wrestle with fear or confusion. The honesty of the Psalms reminds us that God invites us to bring our whole selves to Him—doubt, anger, joy, and all. David wrote nearly half of them, and his words give voice to what many of us feel but don’t know how...