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Books of the Bible

What does the Book of Psalms teach?

A collection of 150 poems that express the full range of human emotions before God — from praise to lament, from supplication to moral instruction.

  • Structured in five books, mirroring the Pentateuch
  • Multiple authorship: David, the sons of Korah and others
  • Functions that go beyond praise: teaching, warning and fellowship
  • Liturgical use from Israel to the early Christian worship

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The Book of Psalms: a window into the human soul

The Book of Psalms is one of the wisdom books of the Bible and occupies a unique place in the Hebrew canon: it does not speak about God only, but speaks with God and from the human experience before Him. Joy, sadness, supplication, gratitude, fear and trust — all of this is recorded in the 150 psalms that make up the collection.

The name "Psalms" is linked to music. In the Jewish tradition, the book was associated with the musical instrument nebel (a kind of harp), and the poems were sung in worship. In Hebrew, the title is Tehillim — "praises" — but the content goes far beyond praise.

John Calvin described the Psalms as an "anatomy of the soul": in them, the human being finds words for what he feels, even when he cannot articulate it alone.

Structure

The five books of the Psalms

  • Book I — Psalms 1 to 41

    Predominantly attributed to David. Ends with a doxology in Psalm 41:13. Includes psalms of trust, personal lament and praise.

  • Book II — Psalms 42 to 72

    Includes psalms of the sons of Korah and of Asaph, as well as Davidic psalms. Ends with the note "Here end the prayers of David, the son of Jesse".

  • Book III — Psalms 73 to 89

    Strongly associated with Asaph and the sons of Korah. Reflects on the history of Israel, the suffering of the people and the faithfulness of God.

  • Book IV — Psalms 90 to 106

    Opens with the only psalm attributed to Moses (Psalm 90). Celebrates the reign of God over all creation and the history of redemption.

  • Book V — Psalms 107 to 150

    Includes the Psalms of Ascent (120–134), the great Psalm 119 about God's law, and the Hallel Psalms (146–150), which close the book with increasing praise.

Who wrote the Psalms?

The authorship of the Psalms is multiple. David is the most cited author in the psalm inscriptions, but he is not the only one. Among the identified authors are:

  • David — king of Israel, musician and poet, responsible for much of the collection
  • Sons of Korah — Levites descendants of Korah, who rebelled against Moses (Numbers 16). The fact that their descendants composed psalms illustrates that the past of a family does not determine the spiritual future of its members
  • Asaph — musician and prophet of David's time
  • Moses — author of Psalm 90
  • Solomon — associated with some psalms
  • Anonymous authors — many psalms have no author inscription

This diversity of voices enriches the book: it is not the perspective of a single man, but of generations of people who sought God in very different circumstances.

Functions

What the Psalms teach and for what purpose

  • Praise and worship: expressing the greatness and goodness of God in words and song
  • Lament and supplication: bringing before God the pain, fear and anguish without disguising them
  • Gratitude: celebrating God's concrete interventions in personal and collective history
  • Moral and ethical instruction: teaching the just way, the fear of the Lord and an upright life
  • Fellowship with God: removing the believer from the distractions of the world and directing him toward intimacy with the Lord
  • Warning: warning about the dangers of pride, trust in riches and separation from God
  • Historical memory: transmitting to future generations God's deeds in the history of Israel

Let the word of Christ dwell in you richly, teaching and admonishing one another in all wisdom, singing psalms and hymns and spiritual songs, with thankfulness in your hearts.

Colossians 3:16
Types of psalms

Main categories and examples

The Psalms do not form a uniform block. Scholars identify different types, each with a specific function in spiritual and communal life.

Didactic psalms

Rich in moral, ethical, and religious advice, they served as spiritual instruction for the people. Psalm 1 contrasts the path of the righteous with that of the wicked; Psalm 119 is the greatest poem about God's law, celebrating its eternal and immutable justice.

Psalms of trust

They express unshakable faith even in the midst of threat. Psalm 23 describes the Lord as a shepherd who guides, supports, and protects. Psalm 27 declares: "The Lord is my light and my salvation; whom shall I fear?" — and culminates in the desire to dwell in the presence of God.

Historical Psalms

They recount the deeds of God in the history of Israel so that future generations will not forget them. Psalm 78 calls the people to hear parables and riddles from ancient times, transmitting ancestral and divine wisdom. Psalm 85 celebrates the restoration and forgiveness granted by God.

Psalms of instruction on the fear of the Lord

Psalm 34 invites: "Come, my children, and listen" — positioning the psalmist as a teacher who instructs in the fear of the Lord, not as paralyzing fear, but as reverence and practical wisdom for a just life.

Psalms of revelation and wisdom

Psalm 19 declares that the heavens proclaim the glory of God without audible words — the entire creation is a universal testimony of the Creator. Psalm 49 confronts the vanity of wealth and affirms that only God can redeem the soul from the power of death.

Blessed is the man who does not walk in the counsel of the wicked, nor stand in the path of sinners, nor sit in the seat of mockers. Rather, his delight is in the law of the Lord, and in His law he meditates day and night.

Psalms 1:1-2

The heavens declare the glory of God, and the firmament announces the works of His hands.

Psalms 19:1

My people, listen to my law; incline your ears to the words of my mouth. I will open my mouth in parables; I will utter riddles from ancient times, which we have heard and known, and our fathers have told us. We will not hide them from their children; we will tell the coming generation the praises of the Lord, His power and the wonders He has done.

Psalms 78:1-4
The Psalms are an anatomy of the soul: in them we find all human emotions expressed before God — joy, sadness, supplication, gratitude, fear, and trust.
John Calvin, quoted in the study of the Psalms

The Psalms in worship: from Israel to early Christianity

The Psalms were not only private literature — they were the hymnbook of God's people. During the Second Temple period, they were part of Israel's official liturgy, sung by the Levites in temple ceremonies.

This tradition passed into Christian worship from the earliest times. Jesus Himself sang a psalm on the night He was betrayed — an act that connects the Last Supper to the Jewish Passover tradition. Throughout history, Christians of all traditions and eras have turned to the Psalms to express prayers and praises.

Colossians 3:16 instructs Christians to teach and admonish one another "with psalms, hymns, and spiritual songs" — showing that the Psalms have a pedagogical and communal function, not only a devotional one. They teach, warn, and build up the community of faith.

Frequently asked questions about the Book of Psalms

Did David write all the Psalms?
No. Although David is the most frequently cited author in the psalm headings, the book has multiple authors: the sons of Korah, Asaph, Moses, Solomon, and anonymous authors also contributed. The diversity of voices is one of the collection's riches.
Why are the Psalms divided into five books?
The division into five books (Ps 1–41; 42–72; 73–89; 90–106; 107–150) mirrors the structure of the Pentateuch — the five books of Moses. Each section ends with a doxology. This organization suggests that the Psalms were compiled and edited over time, not all at once.
Are the Psalms only for praise?
No. Although many psalms are for praise, the book includes laments, supplications, moral instructions, historical reflections, and meditations on God's law. Colossians 3:16 highlights that the psalms serve to teach and admonish one another — a clearly pedagogical function.
What are messianic Psalms?
They are psalms that the New Testament interprets as prophecies or foreshadowings of Jesus Christ. For example, Psalm 22 describes the suffering of the righteous in a way that the gospels apply to Jesus' crucifixion. Psalm 110 is the most quoted in the New Testament.
How can the Psalms help in spiritual life today?
The Psalms function as a means of communion with God: they offer words for moments when the believer does not know how to pray, express emotions that often remain voiceless, and direct the heart toward worship and dependence on God. Psalm 34 invites: 'Taste and see that the Lord is good' — an appeal to the personal experience of faith.
What is Psalm 119?
Psalm 119 is the longest chapter in the Bible and an acrostic poem in Hebrew with 176 verses, all dedicated to celebrating God's law, commandments, and testimonies. It affirms that God's judgments are eternal, upright, and purest — an immutable standard of divine justice.

Taste and see that the Lord is good; blessed is the man who takes refuge in Him.

Psalms 34:8

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What does the Book of Psalms teach? Structure, authorship, and types · Bíblia Fala