"Let the favor of the Lord our God be upon us, and establish the work of our hands upon us; yes, establish the work of our hands."
Most of the work we do doesn't outlast us.
The garden goes back to weeds when you stop tending it. The grass grows back after the mowing. Answered emails generate more emails literally overnight. You cook the meal, and somehow everyone’s hungry within hours. The sermon was preached, and then a week later there's a new one (just a hypothetical scenario…).
Some of what we make is forgotten before we're forgotten.
Moses ends Psalm 90 with a prayer about that exact problem.
The phrase that appears twice
Verse seventeen says the same thing twice: "Let the favor of the Lord our God be upon us, and establish the work of our hands upon us; yes, establish the work of our hands."
Read it again. The phrase "establish the work of our hands" appears at the end of the verse, and then it appears again. Moses says it twice because once doesn't reach.
The repetition is the prayer.
Why the doubling?
Repetition in Hebrew poetry is emphasis.
It's how the writer says "I really mean this." When something gets doubled in a Psalm, that's the place to slow down and ask why. The only doubled phrase in Psalm 90 is this closing prayer for the work of our hands. The man who has watched a generation die in the wilderness is asking the One who outlasts everything to make the temporal stick.
The doubling phrasing is Moses asking based on what he’s observed over decades.
Dwelling at the start, dwelling at the end
The doubled prayer is doing structural work in the psalm.
Psalm 90 opens with the eternal: "Lord, you have been our dwelling place in all generations." It closes with the temporal: "establish the work of our hands."
Those two verses are bracketing the entire psalm. Verse one is what God has been. Verse seventeen is what God can do. Between them sits everything that fades: the grass, the seventy years, the days that pass like a watch in the night. The eternal is the frame, and the mortal work is the closing request.
Moses opens by naming the dwelling. He closes by asking for the dwelling to support the work that happens there.
The eternal is being invited into the temporary, on purpose, by the man who knows how temporary it is.
Direction and permanence
The work of our hands is not abstract.
It's what you did today: the email sent, the meal cooked, the child parented this hour. And Moses is asking God for two things about that work that we can't give ourselves. One is direction: tell us what to do, what to make, what to spend ourselves on. The other is permanence: make what we make actually last.
The double prayer asks for both.
What's yours to do today? This week? This season?
And what's God's to establish?