How do we know the Psalms were written by divine inspiration?

The assurance of the Psalms' divine inspiration is rooted in the assertion made by David himself, as recorded in 2 Samuel 23:2, where he affirms, 'The Spirit of the Lord spake by me, and his words was in my tongue.' This key statement indicates that while David was the human author, the ultimate source of the Psalms lies with God. This aligns with the broader New Testament understanding that all scripture is God-breathed (2 Timothy 3:16), illustrating that the Psalms, like the rest of Scripture, are inspired by the Holy Spirit.

Furthermore, the richness of theological insights and prophetic references to Christ found in the Psalms also affirm their divine nature. The Psalms not only reflect human experiences but provide deep spiritual truths that point to the Messiah, thus showcasing the orchestration of God’s plan throughout scripture. This affirmation from both the literary and theological perspectives underlines the belief that the Psalms are a reliable and inspired guide for teaching, rebuke, correction, and training in righteousness.