Exodus 19:19

19And as the asound of the trumpet grew louder and louder, Moses spoke, and bGod answered him in thunder.

Deuteronomy 5:4-5

4The Lord spoke with you cface to face at the mountain, out of the midst of the fire, 5 dwhile I stood between the Lord and you at that time, to declare to you the word of the Lord. For eyou were afraid because of the fire, and you did not go up into the mountain. He said:

Copyright information for ESV