🕊️WEB · Isaiah 40:5
What does Isaiah 40:5 mean?
"Yahweh’s glory shall be revealed, and all flesh shall see it together; for the mouth of Yahweh has spoken it.”"
— Isaiah 40:5 (World English Bible)
Surrounding context
“Speak comfortably to Jerusalem; and call out to her that her warfare is accomplished, that her iniquity is pardoned, that she has received of Yahweh’s hand double for all her sins.”
The voice of one who calls out, “Prepare the way of Yahweh in the wilderness! Make a level highway in the desert for our God.
Every valley shall be exalted, and every mountain and hill shall be made low. The uneven shall be made level, and the rough places a plain.
Yahweh’s glory shall be revealed, and all flesh shall see it together; for the mouth of Yahweh has spoken it.”
The voice of one saying, “Cry!” One said, “What shall I cry?” “All flesh is like grass, and all its glory is like the flower of the field.
The grass withers, the flower fades, because Yahweh’s breath blows on it. Surely the people are like grass.
The grass withers, the flower fades; but the word of our God stands forever.”
Explanation
Isaiah 40:5 declares that the glory of God will be openly displayed and that every human being—not just Israel, not just a select few—will witness it together. The verse closes with a statement of certainty: this is not speculation or hope but a settled decree, because God himself has spoken it, and his word does not fail to accomplish what it declares.
This verse sits at the opening of Isaiah 40, a section widely understood to address the exiles of Judah, who had been carried off to Babylon after the destruction of Jerusalem. The prophet speaks a word of comfort: "Comfort, comfort my people," says your God (40:1). The preceding verses call for a highway to be prepared in the wilderness, a leveling of mountains and valleys, imagery describing God's triumphant return to lead his people home from exile. Isaiah 40:5 is the climax of that image—God's glory, his visible, weighty presence and power, will be unveiled not just to Israel but to "all flesh." The historical context is one of despair; the people felt abandoned and judged, wondering if God had forgotten them. This verse answers that doubt with a promise of vindication and restoration that the whole world would witness.
Theologically, the verse teaches that God's glory—his manifest presence, holiness, and power—will not remain hidden or confined. It will be revealed publicly and universally. This anticipates a movement in Scripture from a particular, localized revelation of God (to Israel, in the temple, through the prophets) toward a global, unmistakable disclosure. Christians have long connected this passage
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