Psalm 100 is a short but radiant call to joyful worship. It summons all the earth to make a joyful noise to the Lord, serve Him with gladness, and come before His presence with exultation. It affirms that the Lord is God, that He made us and we are His people and the sheep of His pasture, and it calls the worshipper to enter His gates with thanksgiving and His courts with hymns.
The spiritual center is the recognition that worship is not a human invention but a response to the God who made us and claims us as His own. The Psalm ends with the declaration that the Lord is good, His mercy is forever, and His truth endures from generation to generation.
The audio recording reflects an earlier version of this study; the text below has since been revised.
Psalm Metadata
| Field | Notes |
|---|---|
| NKJV / Masoretic numbering | Psalm 100 |
| Septuagint / Coptic numbering | Psalm 99 |
| Accepted author | A Psalm for Thanksgiving. This superscription describes the Psalm’s purpose and names no individual author. |
| Period in author’s life | No precise life event is given; the Psalm is a general liturgical call to joyful worship. |
| Christ prophecy status | Typological and ecclesial. The universal call, the sheep of His pasture, and the enduring mercy point toward Christ the Good Shepherd and the Church as the flock. |
| Coptic lectionary/service use | A public Coptic readings listing for Preparation Sunday Matins on February 19, 2023, selects Psalm 100:2–3 (LXX Psalm 99:2–3) alongside Luke 17:3–10. |
| Numbering issue | This study embeds Brenton LXX Psalm 99. A service’s printed references are identified in their own numbering. |
Historical and Scriptural Context
Psalm 100 is one of the shortest Psalms and one of the most joyful. It belongs to the group of enthronement and thanksgiving Psalms that celebrate the Lord’s kingship and goodness. The superscription marks it as a Psalm for thanksgiving, and its content is a summons to the whole earth to join in praise.
Scripturally, it recalls creation, God’s covenant relationship with His people, and His enduring mercy and truth. The New Testament deepens the sheep imagery through Christ the Good Shepherd in John 10 and the call to all nations in the Great Commission (Matthew 28:19–20).
Geographical Significance ⛰️
The gates and courts evoke the temple in Jerusalem, where God’s people came to worship with thanksgiving. Yet the Psalm’s summons reaches beyond Jerusalem to all the earth. The Church hears that call as she gathers to praise Christ among the nations.
The Characters 👥
The Lord. The God who is good, whose mercy is forever, and whose truth endures from generation to generation. He is the maker, the owner, and the shepherd.
All the earth. The nations and peoples called to make a joyful noise and serve the Lord with gladness.
We / His people / the sheep of His pasture. God’s covenant people. The Church receives these words as a confession of belonging to the Lord who creates and redeems.
🕯️ Light from the Word
Psalm 100:1–2 (LXX 99:1–2), make a joyful noise to the Lord, all the earth
99:1 A Psalm for Thanksgiving. Make a joyful noise to the Lord, all the earth. 99:2 Serve the Lord with gladness; come before his presence with exultation.
The Psalm opens with a universal summons. All the earth is invited to make a joyful noise to the Lord. The service is to be with gladness, and the approach to His presence is with exultation.
Theodoret of Cyrus, an ancient commentator, hears the summons addressed to all people and contrasts the Lord’s kind rule with tyranny.1 St Augustine of Hippo connects the gladness of service with being redeemed. He asks for joy before God, not merely outward sound: “It is easy to rejoice outwardly: rejoice before the presence of God.”2
This is not a command to manufacture a feeling. Sadness or anxiety is not a refusal to praise. We can come before the Lord honestly, trusting His goodness even when joy feels far away.
The Christological reading is natural: the Good Shepherd calls not only the lost sheep of Israel but all the earth. The joyful noise is the praise of those who have been found and brought into the flock.
Lesson Guide
- Key phrases: “Make a joyful noise to the Lord, all the earth”; “Serve the Lord with gladness.”
- Emphasize: worship is universal and joyful because the Lord is good.
- Avoid: treating the call as emotional excitement without the recognition that the Lord is God.
Psalm 100:3–4 (LXX 99:3–4), know that the Lord he is God
99:3 Know that the Lord he is God; he made us, and not we ourselves; we are his people, and the sheep of his pasture. 99:4 Enter into his gates with thanksgiving, and his courts with hymns; give thanks to him, praise his name.
The Psalm moves from the call to the reason: the Lord is God, the Maker, and we belong to Him as His people and the sheep of His pasture. We did not make ourselves. Our life is a gift, not an achievement by which we can claim credit before God. The shepherd image adds care to belonging: He does not merely possess His people; He tends them.
The approach to the temple is with thanksgiving and hymns because of who God is. Thanksgiving does not buy our way into His presence. His mercy gives us courage to come and to repent.
In his Letter to Marcellinus, St Athanasius presents the Psalter as a mirror of the soul, giving us words we may pray as our own.3 St Gregory of Nyssa describes the sweetness of psalmody as a way of receiving teaching about virtue, whose goal is blessedness.4 Psalm 100 trains the soul to know its identity as created and redeemed by God.
The sheep imagery finds fulfillment in Christ the Good Shepherd. He knows His sheep, gives His life for them, and calls other sheep into one flock (John 10:11–16). The Church enters the courts not as strangers but as the flock that belongs to the Shepherd.
Lesson Guide
- Key phrases: “we are his people, and the sheep of his pasture”; “Enter into his gates with thanksgiving.”
- Emphasize: identity as God’s people is the foundation of joyful worship.
- Avoid: entering God’s presence as if we made ourselves or earned the right.
Psalm 100:5 (LXX 99:5), for the Lord is good
99:5 For the Lord is good, his mercy is for ever; and his truth endures to generation and generation.
The Psalm ends with the declaration of God’s character. Its opening “For” gives the reason for the call to praise: the Lord is good, His mercy is forever, and His truth endures from generation to generation. God’s goodness is not a passing mood. It is a foundation for worship and hope.
Theodoret points to God’s loving-kindness and the fulfillment of His promises as reasons for thanksgiving.1 Augustine also reflects on mercy that does not cease and truth present through the generations.5
The mercy that endures forever is the mercy shown in Christ, and the truth that endures is the truth revealed in Him. The Church sings this Psalm in every generation because the Lord remains the same.
Lesson Guide
- Key phrases: “the Lord is good”; “his mercy is for ever”; “his truth endures to generation and generation.”
- Emphasize: worship is grounded in the unchanging character of God.
- Avoid: reducing the Psalm to a call for emotional excitement without the confession of who God is.
The Church’s Voice in Worship 📖
A public Coptic readings listing for Preparation Sunday Matins on February 19, 2023, prints selected verses from Psalm 100:2–3 (LXX Psalm 99:2–3) before Luke 17:3–10.6 The Psalm selection calls for glad service and confesses that the Lord made His people and that they are His sheep.
In the Gospel at the same service, the Lord teaches faith and humble service without a claim to reward. Heard together, the readings invite us to serve gladly, not to make God our debtor, but because we belong to our good Maker and Shepherd.
Iconography Connection 🖼️
Psalm 100 connects with icons of Christ the Good Shepherd, the flock gathered around the Shepherd, and the heavenly worship where all creation joins in praise. The icon of the Good Shepherd reminds the faithful that they belong to Christ and are called to enter His presence with thanksgiving.
Spiritual Fruit 🍇
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Make a joyful noise. Let your life declare the goodness of God with gladness, not only with solemnity. Name a gift in prayer, or sing a verse of this Psalm.
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Know that the Lord is God. Begin worship with the confession that He made us and we belong to Him.
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Enter with thanksgiving. Do not come to God as a stranger or as one who has earned the right. Come as one who has been made and redeemed.
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Praise His name. The worship of the Church is not only petition but the declaration of who God is.
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Remember the generations. The mercy and truth of God are not for one age only. Teach the next generation to sing this Psalm.
Teacher's Notes
- Timing: 10 minutes for the universal call, 15 minutes for the identity as God’s people, 10 minutes for the enduring character of God, 10 minutes for application.
- Where to linger: Psalm 100:3–4 (LXX Psalm 99:3–4).
- Key phrase to say slowly: “we are his people, and the sheep of his pasture.”
- Pastoral warning: do not use the universal call to minimize the need for repentance or the uniqueness of Christ. The call to all the earth is the call to come to the one Shepherd.
Glossary
- Thanksgiving: The response of the creature to the Creator’s goodness.
- Sheep of His pasture: The people who belong to God by creation and redemption.
- Gates and courts: The temple as the place of God’s presence, heard by the Church in the light of Christ.
- Mercy forever: The steadfast love of God that does not end.
Translation and Source Notes
Embedded Scripture is from Brenton’s English Septuagint (LXX). The study title uses NKJV/Masoretic numbering first, Psalm 100, with LXX 99 in parentheses.
Sources
Scripture: Brenton Septuagint, Psalm 100 (LXX Psalm 99); John 10:11–16; Matthew 28:19–20; Luke 17:3–10.
Church writers: St Athanasius, Letter to Marcellinus; St Gregory of Nyssa, On the Inscriptions of the Psalms; St Augustine, Expositions on the Psalms; Theodoret of Cyrus, Commentary on the Psalms.
Coptic Orthodox worship: Preparation Sunday Matins, February 19, 2023, as listed in the public readings cited below.
Footnotes
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Theodoret of Cyrus, Commentary on the Psalms, English Psalm 100 (LXX Psalm 99), sections 1 and 3, translated by Robert C. Hill, pp. 144–145, Commentary on the Psalms, 73–150. ↩ ↩2
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St Augustine, Expositions on the Psalms, Psalm C (LXX Psalm 99), section 10, in the condensed Oxford translation edited by A. Cleveland Coxe. ↩
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St Athanasius, Letter to Marcellinus on the Interpretation of the Psalms, on the Psalter as a mirror of the soul and a source of words for prayer. ↩
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St Gregory of Nyssa, On the Inscriptions of the Psalms, Book I, chapters 1 and 3, translated by Richard McCambly. ↩
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St Augustine, Expositions on the Psalms, Psalm C (LXX Psalm 99), section 13. ↩
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CopticChurch.net readings for February 19, 2023, Preparation Sunday Matins: printed Psalm 100:2 and Psalm 100:3, and Luke 17:3–10. ↩