Exodus 19:16-20 And it came to pass on the third day in the morning, that there were thunders and lightning, and a thick cloud on the mount, and the voice of the trumpet exceeding loud; so that all the people that was in the camp trembled. Nave's Topical Index
Exodus 24:10,15-17 And they saw the God of Israel: and there was under his feet as it were a paved work of a sapphire stone, and as it were the body of heaven in his clearness. Nave's Topical Index
Deuteronomy 4:33 Did ever people hear the voice of God speaking out of the middle of the fire, as you have heard, and live? Nave's Topical Index