Exodus 20:22
And the LORD said unto Moses, Thus you shall say unto the children of Israel, You have seen that I have talked with you from heaven.
Nehemiah 9:13
You came down also upon mount Sinai, and spoke with them from heaven, and gave them right ordinances, and true laws, good statutes and commandments:
Deuteronomy 4:36
Out of heaven he made you to hear his voice, that he might instruct you: and upon earth he showed you his great fire; and you heard his words out of the midst of the fire.
Hebrews 12:25-26
See that you refuse not him that speaks. For if they escaped not who refused him that spoke on earth, much more shall we not escape, if we turn away from him that speaks from heaven: