And the glory of the LORD shall be revealed, and all flesh shall see it together: for the mouth of the LORD hath spoken it.
Isaiah was a prophet who lived around 700 BC and spoke to the people of Israel during a time of political crisis and deep despair. Chapter 40 opens a dramatically hopeful new section of his writings, addressed to people who felt forgotten and crushed — many of whom would eventually be taken into exile in a foreign land. The verses surrounding this one describe a messenger calling out in the wilderness, preparing a road for God himself to travel. This passage is later quoted in all four Gospels when John the Baptist prepares the way for Jesus. The promise Isaiah makes is staggering: when God comes, his glory won't be a private spiritual experience for religious insiders — every human being alive will witness it together. The phrase 'the mouth of the Lord has spoken' was how prophets staked their credibility: this is not my opinion; this is a divine guarantee.
God, some days your glory feels very far away and the world feels very loud. I am choosing today to trust that what your mouth has spoken, your hands will accomplish. Hold my faith steady in the waiting. Let the certainty of your future showing up change the way I live right now. Amen.
There's something almost unbearable about beauty you can't share — you see a sunset so vivid it seems wrong to look at it alone, or you get news that changes everything and the first thing you want to do is grab someone's arm. Isaiah is describing the ultimate version of that moment: not a sunset, not good news, but the actual glory of God, fully unveiled, and every person who ever lived will see it at the same time. No one left out. No one having to take someone else's word for it. No one who was too broken or too far gone or too late. But that's a future promise, and right now you might be living in the gap between the promise and its fulfillment — believing in a God whose glory feels hidden, whose presence feels hard to locate on a Thursday afternoon. Isaiah wrote these words to people who had every reason to wonder if God had simply stopped showing up. The 'mouth of the Lord has spoken' wasn't a theological nicety; it was a stake driven into the ground. For today, this verse invites you to hold your disillusionment a little more loosely. What God has promised, he will not forget. The story isn't over.
How would you describe 'the glory of the Lord' in your own words to someone who had never read the Bible or set foot in a church?
When has your faith felt most distant from a visible, tangible God? How did you navigate the space between what you believed and what you could see?
This verse promises that all mankind will see God's glory together — not just believers. Does the universality of that promise challenge you, comfort you, or both? Why?
How does holding a future certainty — that God's glory will one day be undeniable — change the way you relate to people who don't believe right now?
What would it look like practically for this future promise to shape one decision or attitude in your life today?
And the Word was made flesh, and dwelt among us, (and we beheld his glory, the glory as of the only begotten of the Father,) full of grace and truth.
John 1:14
For God, who commanded the light to shine out of darkness, hath shined in our hearts, to give the light of the knowledge of the glory of God in the face of Jesus Christ.
2 Corinthians 4:6
Who hath believed our report? and to whom is the arm of the LORD revealed?
Isaiah 53:1
For the earth shall be filled with the knowledge of the glory of the LORD, as the waters cover the sea.
Habakkuk 2:14
There was a man sent from God, whose name was John.
John 1:6
He said, I am the voice of one crying in the wilderness, Make straight the way of the Lord, as said the prophet Esaias.
John 1:23
The voice of one crying in the wilderness, Prepare ye the way of the Lord, make his paths straight.
Mark 1:3
And it shall come to pass afterward, that I will pour out my spirit upon all flesh; and your sons and your daughters shall prophesy, your old men shall dream dreams, your young men shall see visions:
Joel 2:28
"And the glory and majesty and splendor of the LORD will be revealed, And all humanity shall see it together; For the mouth of the LORD has spoken it."
AMP
And the glory of the LORD shall be revealed, and all flesh shall see it together, for the mouth of the LORD has spoken.”
ESV
Then the glory of the LORD will be revealed, And all flesh will see [it] together; For the mouth of the LORD has spoken.'
NASB
And the glory of the Lord will be revealed, and all mankind together will see it. For the mouth of the Lord has spoken.”
NIV
The glory of the LORD shall be revealed, And all flesh shall see it together; For the mouth of the LORD has spoken.”
NKJV
Then the glory of the LORD will be revealed, and all people will see it together. The LORD has spoken!”
NLT
Then God's bright glory will shine and everyone will see it. Yes. Just as God has said."
MSG