When all the people witnessed the thunder and lightning, the sounding of the ram's horn, and the mountain enveloped in smoke, they trembled and stood at a distance.

Hebrews 12:18
For you have not come to a mountain that can be touched and that is burning with fire; to darkness, gloom, and storm;

Hebrews 12:19
to a trumpet blast or to a voice that made its hearers beg that no further word be spoken.

Genesis 3:10
"I heard Your voice in the garden," he replied, "and I was afraid because I was naked; so I hid myself."

Exodus 19:16
On the third day, when morning came, there was thunder and lightning. A thick cloud was upon the mountain, and a very loud blast of the ram's horn went out, so that all the people in the camp trembled.

Exodus 19:18
Mount Sinai was completely enveloped in smoke, because the LORD had descended on it in fire. And the smoke rose like the smoke of a furnace, and the whole mountain quaked violently.

Deuteronomy 4:36
He let you hear His voice from heaven to discipline you, and on earth He showed you His great fire, and you heard His words out of the fire.

Deuteronomy 5:5
At that time I was standing between the LORD and you to declare to you the word of the LORD, because you were afraid of the fire and would not go up the mountain. And He said:

Deuteronomy 5:25
But now, why should we die? For this great fire will consume us, and we will die, if we hear the voice of the LORD our God any longer.

Deuteronomy 18:16
This is what you asked of the LORD your God at Horeb on the day of the assembly, when you said, "Let us not hear the voice of the LORD our God or see this great fire anymore, so that we will not die!"

Psalm 81:7
You called out in distress, and I rescued you; I answered you from the cloud of thunder; I tested you at the waters of Meribah. Selah

And all the people saw the thunder, and the lightning, and the noise of the trumpet, and the mountain smoking: and when the people saw it, they removed, and stood afar off.