Deuteronomy 4:33

4:33 Have a people ever heard the voice of God speaking from the middle of fire, as you yourselves have, and lived to tell about it?

Deuteronomy 4:36

4:36 From heaven he spoke to you in order to teach you, and on earth he showed you his great fire from which you also heard his words. ¹ 

[4:36]  ¹ tn Heb “and his words you heard from the midst of the fire.”