He let you hear his voice from heaven so that he could instruct you. He showed you his great fire on earth, and you heard him speak from the column of fire.
All of Mount Sinai was covered with smoke because the Lord had come down on it in fire. Smoke rose from the mountain like the smoke from a kiln, and the whole mountain shook violently.
The Lord said to Moses, “I am coming to you in a storm cloud so that the people will hear me speaking with you and will always believe you.” Moses told the Lord what the people had said.
The glory of the Lord settled on Mount Sinai. For six days the cloud covered it, and on the seventh day the Lord called to Moses from inside the cloud.
Be careful that you do not refuse to listen when God speaks. Your ancestors didn’t escape when they refused to listen to God, who warned them on earth. We certainly won’t escape if we turn away from God, who warns us from heaven.