voice out of fire

These words the LORD spoke with a loud voice to your whole assembly at the mountain, out of the fire, the cloud, and the thick darkness, and he added no more. He wrote them on two stone tablets, and gave them to me. When you heard the voice out of the darkness, while the mountain was burning with fire, you approached me, all the heads of your tribes and your elders; and you said, "Look, the LORD our God has shown us his glory and greatness, and we have heard his voice out of the fire. Today we have seen that God may speak to someone and the person may still live. So now why should we die? For this great fire will consume us; if we hear the voice of the LORD our God any longer, we shall die. For who is there of all flesh that has heard the voice of the living God speaking out of fire, as we have, and remained alive? Go near, you yourself, and hear all that the LORD our God will say. Then tell us everything that the LORD our God tells you, and we will listen and do it."
Deuteronomy 5:22-27