What was the veil Moses wore, and why did he wear it?
It is called a masveh in Hebrew — a face-covering used only in this one passage of the Bible — and Moses put it on after speaking God's words to Israel, taking it off again only when he went back in to speak with the LORD.
The veil is called a masveh (מַסְוֶה, H4533) in Hebrew, and it is a genuinely rare word — it appears exactly three times in the entire Hebrew Bible, all three in this single passage (Exodus 34:33, 34, 35), and nowhere else. There is no other Old Testament usage to compare it to; the word exists only to describe this one covering over Moses' face.
What the text does give us, though, is a clear rhythm — a pattern of on and off tied to where Moses is standing.
And when Moses had finished speaking with them, he put a veil on his face. — Exodus 34:33
After Moses relayed the LORD's words to the people, he covered his face. But whenever he went back into the tent to speak with the LORD, "he took the veil off" (Exodus 34:34). And here is the detail that matters most: when he came back out to deliver God's next words to Israel, his face was still uncovered — the people saw the shining skin of his face while he spoke (Exodus 34:34-35) — and only after that did he put the veil back on, until the next time he went in.
So the logic runs like this: the veil is off both in the LORD's presence and while Moses is actively delivering God's word to the people — they get to see the very glory that backs up the message. It is on only in the in-between times, when Moses is simply walking among the camp.
This detail turns out to matter enormously for how the New Testament reads this story. The Septuagint (the Greek Old Testament) translated masveh with the word kalumma (κάλυμμα, G2571), and the apostle Paul picks up that exact word four times in 2 Corinthians 3:13-16 — its only four uses anywhere in the New Testament. Paul is deliberately pointing back to this scene.
But Paul does something bold with it. He does not leave the veil on Moses' face. He relocates it entirely — onto Israel's minds and hearts, and he says it falls precisely when Moses is read aloud (2 Corinthians 3:14-15). That is close to the opposite of the original picture: in Exodus, the veil comes off while Moses delivers God's word; in Paul's reading, the veil settles over the hearer's heart at the very moment the word is read, "because in Christ it is being done away" (katargeitai, from G2673, 2 Corinthians 3:14).
Moses' veil, in other words, was never really about hiding his face from the people. It marked the difference between the ordinary Moses walking among Israel and the Moses who had just stood before the glory of the LORD — and it became, in Paul's hands, the picture of exactly what still keeps a heart from seeing that glory today.
Did Moses' face really have horns?
No — it is a famous translation mix-up. The Hebrew verb behind Exodus 34:29 means 'sent out rays' (a shining face), but Jerome's Latin Vulgate read it through a related word for 'horn' and translated it 'his face was horned,' which is why Michelangelo's Moses has horns.
How does the Transfiguration connect to Moses' shining face?
The same shining-face imagery reappears when Jesus is transfigured — but where Moses' face reflected a borrowed glory he picked up near God, Jesus' face is described as the glory's own source, and Moses himself is there on the mountain to see it.
What does 'from glory to glory' mean in 2 Corinthians 3:18?
It describes believers being changed by beholding the Lord's glory the way Moses' face was changed by standing near it — an ongoing transformation moving from the old covenant's borrowed, veiled glory into the new covenant's direct, unveiled glory, and deepening as it goes.
Why does Paul say the old covenant's glory was fading?
Paul isn't describing the light on Moses' face physically dimming — he uses a Greek verb meaning 'being rendered inoperative' to make a covenantal claim: the old covenant's glory was real, but it was always temporary by nature, already being retired even as it shone.