Deuteronomy 4:33

Context
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

Context
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 

Deuteronomy 5:23

Context
5:23 Then, when you heard the voice from the midst of the darkness while the mountain was ablaze, all your tribal leaders and elders approached me.

Deuteronomy 26:7

Context
26:7 So we cried out to the Lord, the God of our ancestors, and he ²  heard us and saw our humiliation, toil, and oppression.