Mount Sinai was covered with smoke because the LORD had come down in a flaming fire. Smoke poured out of the mountain just like a furnace, and the whole mountain shook.
The people trembled with fear when they heard the thunder and the trumpet and saw the lightning and the smoke coming from the mountain. They stood a long way off
When you stopped, the earth shook; when you stared, nations trembled; when you walked along your ancient paths, eternal mountains and hills crumbled and collapsed.