Exodus 19:19
And when the sound of the horn became louder and louder, Moses' words were answered by the voice of God.
Psalm 81:7
You gave a cry in your trouble, and I made you free; I gave you an answer in the secret place of the thunder; I put you to the test at the waters of Meribah. (Selah.)
Exodus 19:16
And when morning came on the third day, there were thunders and flames and a thick cloud on the mountain, and a horn sounding very loud; and all the people in the tents were shaking with fear.
Exodus 19:13
He is not to be touched by a hand, but is to be stoned or have an arrow put through him; man or beast, he is to be put to death: at the long sounding of a horn they may come up to the mountain.
Nehemiah 9:13
And you came down on Mount Sinai, and your voice came to them from heaven, giving them right decisions and true laws, good rules and orders:
Hebrews 12:21
And the vision was so overpowering that even Moses said, I am shaking and full of fear.