Cross reference
Exodus 20:22
22 And Jehovah said unto Moses, Thus thou shalt say unto the children of Israel, Ye yourselves have seen that I have talked with you from heaven.
Nehemiah 9:13
13 Thou camest down also upon mount Sinai, and spakest with them from heaven, and gavest them right ordinances and true laws, good statutes and commandments,
Deuteronomy 4:36
36 Out of heaven he made thee to hear his voice, that he might instruct thee: and upon earth he made thee to see his great fire; and thou heardest his words out of the midst of the fire.
Hebrews 12:25-26
25 See that ye refuse not him that speaketh. For if they escaped not when they refused him that warned `them' on earth, much more `shall not' we `escape' who turn away from him that `warneth' from heaven:
26 whose voice then shook the earth: but now he hath promised, saying, Yet once more will I make to tremble not the earth only, but also the heaven.