Isaiah 40:31
“But those who wait for Yahweh will renew their strength. They will mount up with wings like eagles. They will run, and not be weary. They will walk, and not faint.”
Where this sits
Isaiah 40 opens the section written to a people in exile — displaced, far from home, convinced God had lost track of them. The chapter's whole argument is that he has not.
Reflection
Read the order of the images again, because it runs backwards from what you would expect. Mount up. Run. Walk. A writer building to a climax would have gone the other way — walking, then running, then flight. Isaiah descends deliberately.
That descent is the pastoral genius of the verse. Soaring is the rare gift; every believer has had a season of it and remembers it fondly. Running is the good week. But walking and not fainting is the actual texture of a long faith — the unremarkable, unphotographed persistence of somebody who got up again on a Tuesday in the eleventh year of a hard thing. Isaiah puts it last because it is the hardest and the most valuable, and because most of the people he was writing to were not soaring. They were in Babylon.
“Wait” carries more than passivity in Hebrew. The root has to do with a cord pulled taut — tension, expectancy, being stretched toward something. Waiting on God is not killing time until the situation improves. It is a posture held under strain.
And the promise is renewal, not reserve. The strength is not stockpiled in advance; it is exchanged. The verse describes an ongoing trade in which what you run out of is replaced by what he does not run out of. Which means the arrival of your own exhaustion is not the end of the story. It is the point where the trade begins.
- Theme:
- Strength
- Book:
- Isaiah
