Deuteronomy 9:19
17 I grabbed the two tablets, threw them down, and shattered them before your very eyes. 18 Then I again fell down before the Lord for 40 days and nights; I ate and drank nothing because of all the sin you had committed, doing such evil before the Lord as to enrage him. 19 For I was terrified at the Lord’s intense anger that threatened to destroy you. But he listened to me this time as well. 20 The Lord was also angry enough at Aaron to kill him, but at that time I prayed for him too. 21 As for your sinful thing that you had made, the calf, I took it, melted it down, ground it up until it was as fine as dust, and tossed the dust into the stream that flows down the mountain.
Hebrews 12:21
19 and the blast of a trumpet and a voice uttering words such that those who heard begged to hear no more. 20 For they could not bear what was commanded: “If even an animal touches the mountain, it must be stoned.” 21 In fact, the scene was so terrifying that Moses said, “I shudder with fear.” 22 But you have come to Mount Zion, the city of the living God, the heavenly Jerusalem, and to myriads of angels, to the assembly 23 and congregation of the firstborn, who are enrolled in heaven, and to God, the judge of all, and to the spirits of the righteous, who have been made perfect,
Notes and References
"... Here perhaps is a good juncture to deal with the varied use of Deuteronomy in the book of Hebrews ... (Hebrews 1:6; Deuteronomy 32:43, Hebrews 10:28; Deuteronomy 17:6, Hebrews 12:3; Deuteronomy 32:35, Hebrews 12:15; Deuteronomy 29:17, Hebrews 12:18; Deuteronomy 4:11, Hebrews 12:21; Deuteronomy 9:19, Hebrews 12:29; Deuteronomy 4:24, Hebrews 13:5; Deuteronomy 31:6) ... Notice that all the quotations here are short, even fragmentary, and so Gert Steyn is right to ask: Is the author quoting from memory? And if so, should we be spending so much time trying to figure out which version of the OT he is using, when he could be paraphrasing in his own language? Importantly, Steyn points out that unlike his Psalms and Jeremiah quotations, the use of Deuteronomy does not involve extended quotations, nor are the Deuteronomy quotations cited with reference to divine authority. Could this be because our author, while recognizing Deuteronomy as Scripture believes the Mosaic covenant is no longer binding on his audience per se, and particularly because he doesn’t want these Jewish Christians retreating back into non-Christian Judaism under pressure or persecution is being careful how he uses the Law? In any case, he clearly believes the Mosaic covenant has been superseded by a better covenant, the new covenant. Further, what explains the fact that apart from Hebrews 1:6, all of the citations come between Hebrews 10:28 and 13:5? Even of these nine found within those parameters, only four are clearly explicit quotations, Deuteronomy 32:43 (LXX Ode 2) in Hebrews 1:6; Deuteronomy 32:35–36 in Hebrews 10:30–31; Deuteronomy 9:19 in Hebrews 12:21; and Deuteronomy 31:6 in Hebrews 13:5 ..."
Witherington, Ben Torah Old and New: Exegesis, Intertextuality, and Hermeneutics (p. 328) Fortress Press, 2018