Exodus 19:9

9And the Lord said to Moses, “Behold, I am coming to you ain a thick cloud, that bthe people may hear when I speak with you, and may also cbelieve you forever.”

When Moses told the words of the people to the Lord,

Exodus 19:16

16On the morning of the dthird day there were ethunders and lightnings and fa thick cloud on the mountain and a very loud gtrumpet blast, so that all the people in the camp htrembled.

Exodus 20:18

18Now when all the people saw ithe thunder and the flashes of lightning and the sound of the trumpet and the mountain smoking, the people were afraid
Samaritan, Septuagint, Syriac, Vulgate; Masoretic Text  the people saw
and trembled, and they stood far off

Deuteronomy 5:2

2 kThe Lord our God made a covenant with us in Horeb.

Hebrews 12:18-19

A Kingdom That Cannot Be Shaken

18For you have not come to lwhat may be touched, a blazing fire and darkness and gloom and a tempest 19and mthe sound of a trumpet and a voice whose words nmade the hearers beg that no further messages be spoken to them.

Hebrews 12:25

25See that you do not refuse him who is speaking. For oif they did not escape when they refused him who warned them on earth, much less will we escape if we reject him who warns from heaven.
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