What does "great assembly" teach?
What does "in the great assembly" teach about public worship and testimony?

Key Verse

“I proclaim righteousness in the great assembly; behold, I do not seal my lips, as You, O LORD, do know.” (Psalm 40:9)


Understanding “the great assembly”

• A public gathering of God’s covenant people—Israel under the Old Covenant, the Church under the New

• A place where God’s deeds are recounted aloud, not kept private (Psalm 22:22, 25; Psalm 35:18)

• A foretaste of the heavenly congregation in which all redeemed voices join (Hebrews 12:22-24)


What it teaches about public worship

• Worship is corporate, not merely personal

– God expects praise voiced “before the congregation” (Psalm 22:25)

– Early believers met “daily… in the temple courts” praising God together (Acts 2:46-47)

• Worship centers on God’s righteousness

– The Psalmist’s focus is “Your righteousness,” not feelings or performance

• Silence is disobedience in gathered worship

– “I do not seal my lips” (Psalm 40:9) implies a duty to speak or sing when God has worked

• The assembly fuels faith

– Hearing others declare God’s works strengthens listeners (Romans 10:17)

– Shared praise stirs mutual encouragement (Hebrews 10:24-25)


What it teaches about public testimony

• Testimony is meant for many ears

– “Great” signals size; truth about God should reach the widest audience possible

• Testimony must be clear and bold

– “I proclaim” carries the idea of heralding, not whispering (cf. Matthew 10:32)

• Testimony recounts specific acts of God

– Verses around Psalm 40:9 rehearse deliverance from the pit (vv. 1-2) and a new song (v. 3)

• Testimony glorifies God and invites others to trust Him

– “Many will see and fear and put their trust in the LORD” (Psalm 40:3)

• Testimony is modeled by Christ

Hebrews 2:12 applies Psalm 22:22 to Jesus: “I will proclaim Your name to My brothers; in the assembly I will sing Your praises.” Our testimony follows His example.


Putting it into practice today

1. Come prepared to speak or sing of God’s recent work in your life.

2. Join the gathered church consistently; your voice is part of God’s designed chorus.

3. Refuse self-censorship—declare His righteousness even when it feels awkward.

4. Shape testimony around clear gospel truths: God’s salvation, faithfulness, and righteousness.

5. Expect God to use corporate praise to draw unbelievers and strengthen believers.

“In the great assembly” is God’s invitation—and command—to make His greatness public through communal worship and unashamed testimony.

How can we 'greatly extol the LORD' in our daily lives today?
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