Exodus 20:22
And Yahweh said to Moses, "Thus you will say to the {Israelites}, 'You yourselves have seen that I have spoken to you from the heavens.
Nehemiah 9:13
Then you came down on Mount Sinai and spoke with them from heaven and gave them right judgments and true teachings, good regulations and commandments.
Deuteronomy 4:36
From heaven he made you hear his voice to teach you, and on the earth he showed you his great fire, and you heard his words from the midst of the fire.
Hebrews 12:25-26
Watch out that you do not refuse the one who is speaking! For if those did not escape [when they] refused the one who warned [them] on earth, much less [will] we [escape], [if we] reject the [one who warns] from heaven,