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Rabbinic literature often presents Isaiah as a "second Moses", echoing themes from the Song of Moses (Deut 32). Both Moses and Isaiah call heaven and earth as witnesses to Israel’s covenantal failures and future hope ([1]). The Midrash Tanchuma notes that just as Moses sang a song of warning and hope before his death, so too did prophets like Isaiah speak in poetic, prophetic songs ([2]). Other texts, such as the Pesikta Rabbati, liken Isaiah’s divine vision to Moses’ encounter with God ([3]), while the Mekhilta includes both their songs in a tradition of covenantal testimony ([4]).
Several Christian scholars, theologians, and biblical commentators have also compared the Book of Isaiah with the Song of Moses (Deuteronomy 32) due to their thematic and theological similarities, especially concerning covenant, judgment, and redemption namely: John N. Oswalt – The Book of Isaiah: Chapters 1–39
Oswalt notes that Isaiah is “rooted in the theology of Deuteronomy,” drawing heavily on its covenantal framework, especially in passages like Isaiah 1:2 which opens, "Hear, O heavens, and give ear, O earth," a direct echo of Deuteronomy 32:1 ([5]). Christopher J. H. Wright – The Mission of God
Wright highlights that both Isaiah and the Song of Moses portray Israel as God's chosen people who failed in their mission, leading to judgment, but ending in a universal vision of redemption. He writes: “Isaiah carries forward the Deuteronomic theme of Israel’s election, failure, and restoration, now cast within the mission of God to all nations.” ([6]) Gary V. Smith – Isaiah 1–39 & Isaiah 40–66 (New American Commentary)
Smith observes that Isaiah adopts the blessings and curses framework from Deuteronomy, particularly the structure of rebellion → judgment → hope. He writes: “Isaiah builds on the covenantal warnings found in the Torah, including the Song of Moses, as a theological foundation for his prophetic messages.” ([7])
Some aspects they see are as follows:
Isaiah opens in the style of The Song of Moses, summoning a cosmic courtroom:
“Hear, O heavens, and give ear, O earth; for the LORD has spoken…”[8]
This directly echoes the opening of Moses’ ancient prophetic song:
“Give ear, O heavens, and I will speak, and let the earth hear the words of my mouth.”[9]
Both texts summon creation as witness—common in covenant lawsuits—and both lament Israel’s rebellion. Isaiah continues:
“The ox knows its owner… but Israel does not know; my people do not understand.”[10]
Similarly, Moses says:
“They are a nation void of counsel… they have no understanding.”[11]
These early chapters in Isaiah establish a clear lawsuit pattern, echoing The Song of Moses. The people have forsaken the LORD, the Holy One of Israel[12], just as they abandoned the Rock who bore them[13].
In chapter 5 the indictments and judgments softened at first by a love song, the vineyard song
The legal drama is briefly softened in chapter 5 by a poetic parable—a love song turned lament:
“Let me sing for my beloved my love song concerning his vineyard…”[14]
This vineyard, lovingly tended, produces only wild grapes. Like the Song of Moses, which warned of Israel's corruption after receiving abundant care[15], Isaiah’s vineyard song highlights ingratitude and injustice.
The call of a prophet is usually in the first chapter. Uniquely, Isaiah’s prophetic call is delayed until chapter 6, where the divine Judge gloriously appears:
“I saw the Lord sitting upon a throne, high and lifted up…”[16]
This is followed by the iconic call:
“Whom shall I send, and who will go for us?” Then I said, ‘Here am I! Send me.’”[17]
This reflects Deuteronomy 31:23, when God commissions Joshua in the presence of Moses:
“Be strong and courageous, for you shall bring the people of Israel into the land…”[18]
Also significant is the divine hiding of God's face from Israel in response to their hardness:
“Make the heart of this people dull… lest they see with their eyes…”[19]
“I will hide my face from them…”[20]
First Movement Themes: The Rock and Rebellion
Isaiah’s early chapters also reflect other key phrases from the Song of Moses:
God as the Rock:
“Trust in the LORD forever, for the LORD GOD is an everlasting rock.”[21]
echoes “The Rock, his work is perfect…”[22]
Blindness and Deafness:
“Hear, you deaf, and look, you blind, that you may see!”[23]
reflects “They have no discernment…”[24]
The second second section has an upturn from Judgment to Redemption.
From chapter 40 onward, the initial court summons turns to a song of comfort and redemption. Though Isaiah’s name disappears, “Thus says the LORD” now dominates. The summons of heaven and earth returns—but this time not for judgment, but celebration:
“Sing, O heavens, for the LORD has done it; shout, O depths of the earth…”[25]
“Shout for joy, O heavens, and rejoice, O earth…”[26]
This shift parallels the ending of The Song of Moses:
“Rejoice with him, O heavens… for he avenges the blood of his children… and makes atonement for his land and people.”[27]
Also note Isaiah’s wilderness imagery, a key motif in both books. Moses sings:
“He found him in a desert land… he encircled him, he cared for him…”[28]
And Isaiah declares:
“The wilderness and the dry land shall be glad; the desert shall rejoice and blossom like the crocus…”[29]
Third section: Reaching out to include Gentiles and the Jealousy Motif
In Isaiah’s final section (chapters 56–66), the divine call goes beyond Israel. God declares:
“I was ready to be sought by those who did not ask for me… I said, ‘Here I am, here I am,’ to a nation that was not called by my name.”[30]
This fulfills the ironic reversal in Deuteronomy:
“They have made me jealous with what is no god… so I will make them jealous with those who are no people.”[31]
The double “Here I am” recalls Isaiah’s own response in chapter 6[32], but now it's God calling out—this time to the Gentiles. Whirlingmerc (talk) 13:17, 31 March 2025 (UTC)
References
Mekhilta de-Rabbi Ishmael, Shirata 1
John N. Oswalt, The Book of Isaiah: Chapters 1–39, NICOT, Eerdmans, 1986, p. 83
Christopher J. H. Wright, The Mission of God, IVP Academic, 2006, p. 276–278
Gary V. Smith, Isaiah 1–39, NAC, B&H Publishing, 2007, p. 45
Deuteronomy 32:6,13–14, ESV
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