Psalm 90
Teach us to number our days
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Psalm 90 is Moses's prayer — the oldest in the Psalter. God is from everlasting to everlasting; a thousand years in His sight are like a day. But humans return to dust: they are like grass that flourishes in the morning and fades by evening. Under God's anger, human years end like a sigh. So Moses prays: teach us to number our days. Satisfy us in the morning with Your loving devotion. Let the beauty of the LORD our God rest upon us and establish the work of our hands.
Where it is in the Bible: Psalm 90
Before You Read
Who wrote it. Moses — the only psalm attributed to him (90:1).
What it is. A meditation on time — God's eternal time and human brevity — that turns into a prayer for meaning before death.
What it's about. God is from everlasting. Humans are like grass. A thousand years are like a watch in the night. Teach us to number our days.
When the church sings it. At funerals, on All Saints Day, and on Sundays in Ordinary Time.
Map of the Psalm
| Section | Verses | What it says |
|---|---|---|
| 1. Lord, You Are Eternal | 90:1–6 | Before the mountains — God. Humans are like grass that withers |
| 2. Our Days Under Wrath | 90:7–12 | Sin, wrath, and the brevity of a life — teach us to number our days |
| 3. Return to Us | 90:13–17 | Prayer for joy, satisfaction, and work that lasts |
Section by Section
Section 1 of 3Lord, You Are Eternal
"Lord, You have been our dwelling place through all generations" (90:1).
Before anything else existed, God was. He has been the place where human beings find rest across every generation.
"Before the mountains were born or You brought forth the earth and the world, from everlasting to everlasting You are God" (90:2).
The mountains feel permanent to us. They are not. God is.
You return man to dust, saying, "Return, O sons of mortals." (90:3).
The one who calls all things into being calls them back.
"For in Your sight a thousand years are but a day that passes, or a watch of the night" (90:4).
The mathematics of eternity. To God, a millennium passes like an overnight shift.
"You whisk men away like a dream; they are like the new grass of the morning — though in the morning it springs up and flourishes, by evening it is withered and dry" (90:5–6).
The grass image is vivid and recurring. Morning: green. Evening: gone.
Section 2 of 3Our Days Under Wrath
"For we are consumed by Your anger and terrified by Your wrath" (90:7).
Moses is not speaking abstractly. He watched a generation die in the wilderness because of their rebellion.
"You have set our iniquities before You, our secret sins in the light of Your presence" (90:8).
Nothing is hidden. Not even what we do in secret.
"For all our days decline in Your fury; we finish our years with a sigh" (90:9).
"The length of our days is seventy years— or eighty if we are strong— yet their pride is but labor and sorrow, for they quickly pass, and we fly away" (90:10).
Moses is not being pessimistic. He is being honest about the shape of a human life outside of Eden.
"Who knows the power of Your anger? Your wrath matches the fear You are due" (90:11).
"So teach us to number our days, that we may present a heart of wisdom" (90:12).
The prayer that comes from seeing clearly. Not: give us more days. But: help us see what our days are for.
Section 3 of 3Return to Us
"Return, O LORD! How long will it be? Have compassion on Your servants" (90:13).
The prayer turns toward God directly. Relent. Come back.
"Satisfy us in the morning with Your loving devotion, that we may sing for joy and be glad all our days" (90:14).
The brevity of life does not make joy impossible. Satisfaction in God's loving devotion — that is what fills even a short life.
"Make us glad for as many days as You have afflicted us, for as many years as we have seen evil" (90:15).
A prayer for restoration proportional to the suffering.
"May Your work be shown to Your servants, and Your splendor to their children" (90:16).
"May the favor of the Lord our God rest upon us; establish for us the work of our hands— yes, establish the work of our hands!" (90:17).
The final prayer: make what we do last. In a life that passes like grass, let the work remain.
Meaning
What does it mean?
Read It
What Does This Mean?
| The text says | It means |
|---|---|
| "From everlasting to everlasting You are God" (90:2) | God's existence has no before or after. He simply is. |
| "a thousand years are but a day that passes" (90:4) | The gap between God's time and human time is immeasurable. |
| "Like the new grass of the morning" (90:5) | Human life is beautiful and brief — the psalm holds both. |
| "So teach us to number our days" (90:12) | The wise response to brevity is not despair but purposeful living. |
| "Establish the work of our hands" (90:17) | The longing: that something in a brief life will outlast it. |
Back Then
Moses wrote this in the wilderness, likely watching the generation that left Egypt die before entering the promised land — the consequence of their rebellion at Kadesh (Numbers 14). "We finish our years with a sigh" was not metaphor. He had watched it literally.
"seventy years— or eighty if we are strong" (90:10) — not a scientific average but a wisdom observation: this is the span of a human life. Moses himself lived to 120, but he is not writing about his own longevity.
The word "establish" in 90:17 (kun in Hebrew) means to make firm, to set in place. It is the same word used when God "establishes" the world. Moses is asking God to do for human work what God does for creation — make it lasting.
Literal Reader Alert
"For we are consumed by Your anger" (90:7) — Is God perpetually angry at human beings? Moses is speaking within the specific context of Israel's wilderness rebellion. The broader psalm holds this alongside "loving devotion" (90:14) and "favor" (90:17). The point is not that God hates humans — it is that living outside of God's purposes leads to diminished, shortened life.
"So teach us to number our days" (90:12) — This is a strange prayer. We know how many days we have lived; we don't know how many remain. The prayer is for a posture — to live as though the days are finite and precious, because they are.
How People Feel
| Who | Feeling | Why |
|---|---|---|
| Moses | Awed | The eternal God compared to brief human life is staggering (90:2–6) |
| Moses | Honest | Seventy years of labor and sorrow — he does not romanticize (90:10) |
| Moses | Hopeful | Loving devotion can satisfy even a short life; work can be made to last (90:14–17) |
For you
What does it mean for me?
Your Turn
What does this psalm speak into? Tap one.
I'm afraid of dying
Lord, You have been our dwelling place in all generations — before and after.
My work feels meaningless
Establish the work of our hands. Bring it to God who makes things last.
Life feels too short
Teach us to number our days — to live them with wisdom, not waste.
I want joy in a hard life
Satisfy us in the morning with Your loving devotion. Even here, even now.
You Might Have Heard
"Life is short — enjoy it while you can."
What's true: Moses agrees life is short.
What the passage is mainly about: The response to brevity is not hedonism but wisdom — numbering the days, pursuing God's loving devotion, asking Him to make the work last. A life that passes like grass can still be satisfied in the morning. The brevity is real; so is the God who is from everlasting.
Where Jesus is: Jesus is the dwelling place Moses prays about — "Lord, You have been our dwelling place." John 1 says the Word became flesh and "tabernacled" among us. And Jesus' resurrection is the first event that breaks the grass-pattern: a human life that does not wither at evening. The work of His hands was established forever.
Good News
"Satisfy us in the morning with Your loving devotion, that we may sing for joy and be glad all our days" (90:14).
Even a brief life can be satisfied. Not by its own length but by the loving devotion that fills it. The morning He offers outlasts the evening.
Psalm 90: God is from everlasting; humans pass like grass. Seventy years, labor and sorrow. So teach us to number our days. Satisfy us with loving devotion and establish the work of our hands.
Big Idea
Psalm 90: God is eternal; humans are as brief as morning grass. A thousand years are but a day that passes. So teach us to number our days. Satisfy us with loving devotion. Establish the work of our hands.
If this passage brings up big feelings, talk with someone you trust, like a parent, pastor, or counselor.
For leaders and parentsLuther, church readings, and notes for teaching.
In Church
Many churches follow the Revised Common Lectionary. It appoints Psalm 90 on the Twenty-Fourth Sunday after Pentecost in Year A and at funerals and memorial services.
We quote Luther for what he got right about grace. He also wrote terrible things about Jewish people. Read our note on that.
Memorize
How do I keep it?
One line from this story to learn by heart. Practice a little now. It will come back later so it sticks.
Satisfy us in the morning with Your loving devotion, that we may sing for joy and be glad all our days.
How did that feel?
Using this at church
Read in church on
- Lectionary 28 Year BPsalm, Psalm 90:12-17
- Lectionary 30 Year APsalm, Psalm 90:1-6, 13-17
- Lectionary 33 Year APsalm, Psalm 90:1-8 [9-11] 12
For a newsletter or sermon notes
Psalm 90, explained in plain words. Moses's prayer: God is eternal; humans are as brief as morning grass. Teach us to number our days and satisfy us with Your loving devotion. About 11 minutes. https://freescripture.org/stories/psalm-90/
Lines for the next eight Sundays, on Digital Lutheran Church