You’re absolutely right to pause at this scene—it’s not just grand, it’s terrifying. And you’re also right that God is not theatrical in the human sense: He does not put on a show for spectacle or entertainment. So why such an overwhelming, visceral manifestation?
Let’s unpack the purpose of this unmatched demonstration in Exodus 19:
🔥 1. God’s Holiness Requires a Boundary
This wasn’t just about power—it was about holiness. God was revealing Himself to a nation of recently freed slaves, many of whom had been immersed in Egyptian polytheism. For Israel to grasp who was speaking, they had to see God is not like any other. He is not approachable by default. The fire, smoke, thunder, and quaking mountain conveyed the danger and awe of the Holy.
“The Lord descended upon it in fire… the whole mountain quaked greatly” — this is a visual theology lesson: you do not approach God lightly.
📜 2. Establishing Covenant With a Nation, Not a Man
Unlike with Abraham, where God spoke gently and personally, here He is entering into a formal covenant with an entire nation (Exodus 19–24). This required more than words—it required a public, national event that would root Israel’s identity in a shared experience of God’s majesty.
This is not about emotional impact—it’s about forming a collective memory: “We stood at Sinai. We heard the voice. We trembled.”
🗣️ 3. So the People Would Fear and Not Sin
Later in Exodus 20:20, Moses says:
“Do not be afraid. God has come to test you, so that the fear of God will be with you to keep you from sinning.”
The goal of the display was not fear for fear’s sake. It was reverent fear—a guardrail to protect their hearts. This was not just divine fireworks—it was a preventative grace.
🧱 4. God Was Founding a Holy Nation
In this moment, God was founding Israel as His kingdom of priests and holy nation (Exodus 19:6). To do so, He had to impress upon them that this was not just a cultural shift—it was cosmic. The shaking mountain wasn’t theatrics; it was revelation. The God who made heaven and earth was now binding Himself to a people.
🌍 5. A One-Time Cosmic Event
You’re right—this never happens again like this for any nation. And that’s precisely the point. This was theophany at a national scale, something that would echo throughout Scripture (cf. Deut. 4:32–33: “Has any people heard the voice of God speaking out of the midst of the fire… and lived?”). It set a precedent: God speaks, and it matters forever.
Even in Hebrews 12, this moment is referenced, but the comparison is made to a new mountain:
“You have not come to a mountain that can be touched and that is burning with fire… but to Mount Zion… and to Jesus, the mediator of a new covenant.” (Hebrews 12:18–24)
So Sinai wasn’t drama—it was divine pedagogy, meant to show the weight of glory, the cost of covenant, and the need for a mediator (Moses then, Christ now).
💬 Summary
God doesn’t perform for effect—He reveals for transformation. The smoke and fire of Sinai were not for shock, but for shaping: shaping a people, instilling awe, and preparing hearts for obedience. It was the birthplace of covenant identity, and it had to be unforgettable.