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Public-domain commentary
Matthew Henry
From his Commentary on the Whole Bible. Henry comments on passages, not single verses — this entry covers Deuteronomy 32:15–18. His four-level outline is real structure in the source text, so it is rendered as structure.
We have here a description of the apostasy of Israel from God, which would shortly come to pass, and to which already they had a disposition. One would have thought that a people under so many obligations to their God, in duty, gratitude, and interest, would never have turned from him; but, alas! they turned aside quickly. Here are two great instances of their wickedness, and each of them amounted to an apostasy from God: -
I.Security and sensuality, pride and insolence, and the other common abuses of plenty and prosperity, Deu 32:15.
These people were called Jeshurun - an upright people (so some), a seeing people, so others: but they soon lost the reputation both of their knowledge and of their righteousness; for, being well-fed,
1.They waxed fat, and grew thick, that is, they indulged themselves in all manner of luxury and gratifications of their appetites, as if they had nothing to do but to make provision for the flesh, to fulfil the lusts of it. They grew fat, that is, they grew big and unwieldy, unmindful of business, and unfit for it; dull and stupid, careless and senseless; and this was the effect of their plenty. Thus the prosperity of fools destroys them, Pro 1:32. Yet this was not the worst of it.
2.They kicked; they grew proud and insolent, and lifted up the heel even against God himself. If God rebuked them, either by his prophets or by his providence, they kicked against the goad, as an untamed heifer, or a bullock unaccustomed to the yoke, and in their rage persecuted the prophets, and flew in the face of providence itself. And thus he forsook God that made him (not paying due respect to his creator, nor answering the ends of his creation), and put an intolerable contempt upon the rock of his salvation, as if he were not indebted to him for any past favours, nor had any dependence upon him for the future. Those that make a god of themselves and a god of their bellies, in pride and wantonness, and cannot bear to be told of it, certainly thereby forsake God and show how lightly they esteem him.
II.Idolatry was the great instance of their apostasy, and which the former led them to, as it made them sick of their religion, self-willed, and fond of changes. Observe,
1.What sort of gods they chose and offered sacrifice to, when they forsook the God that made them, Deu 32:16, Deu 32:17. This aggravated their sin that those very services which they should have done to the true God they did,
(1.)To strange gods, that could not pretend to have done them any kindness, or laid them under any obligation to them, gods that they had no knowledge of, nor could expect any benefit by, for they were strangers. Or they are called strange gods, because they were other than the one only true God, to whom they were betrothed and ought to have been faithful.
(2.)To new gods, that came newly up; for even in religion, the antiquity of which is one of its honours, vain minds have strangely affected novelty, and, in contempt of the Ancient of days, have been fond of new gods. A new god! can there be a more monstrous absurdity? Would we find the right way to rest, we must ask for the good old way, Jer 6:16. It was true their fathers had worshipped other gods (Jos 24:2), and perhaps it had been some little excuse if the children had returned to them; but to serve new gods whom their fathers feared not, and to like them the better for being new, was to open a door to endless idolatries.
(3.)They were such as were no gods at all, but mere counterfeits and pretenders; their names the invention of men's fancies, and their images the work of men's hands. Nay,
(4.)They were devils. So far from being gods, fathers and benefactors to mankind, they really were destroyers (so the word signifies), such as aimed to do mischief. If there were any spirits or invisible powers that possessed their idol-temples and images, they were evil spirits and malignant powers, whom yet they did not need to worship for fear they should hurt them, as they say the Indians do; for those that faithfully worship God are out of the devil's reach: nay, the devil can destroy those only that sacrifice to him. How mad are idolaters, who forsake the rock of salvation to run themselves upon the rock of perdition!
2.What a great affront this was to Jehovah their God.
(1.)It was justly interpreted a forgetting of him (Deu 32:18): Of the Rock that begat thee thou art unmindful. Mindfulness of God would prevent sin, but, when the world is served and the flesh indulged, God is forgotten; and can any thing be more base and unworthy than to forget the God that is the author of our being, by whom we subsist, and in whom we live and move? And see what comes of it, Isa 17:10, Isa 17:11, Because thou hast forgotten the God of thy salvation, and hast not been mindful of the Rock of thy strength, though the strange slips be pleasant plants at first, yet the harvest at last will be a heap in the day of grief and of desperate sorrow. There is nothing got by forgetting God.
(2.)It was justly resented as an inexcusable offence: They provoked him to jealousy and to anger (Deu 32:16), for their idols were abominations to him. See here God's displeasure against idols, whether they be set up in the heart or in the sanctuary.
[1.]He is jealous of them, as rivals with him for the throne in the heart.
[2.]He hates them, as enemies to his crown and government.
[3.]He is, and will be, very angry with those that have any respect or affection for them. Those consider not what they do that provoke God; for who knows the power of his anger?
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Summary
Deuteronomy 32:18, situated within the profound "Song of Moses," delivers a poignant and severe indictment of Israel's spiritual amnesia and profound ingratitude. It sharply contrasts God's unwavering faithfulness as their foundational "Rock" and meticulous Creator with the nation's deliberate unmindfulness and forgetfulness of His indispensable role in their very existence and identity. This verse encapsulates a recurring biblical theme: the grave danger of neglecting the divine source of all blessings, which inevitably leads to spiritual decline and a forfeiture of the covenant relationship.
Context
Literary Context
This verse is a pivotal declaration within the expansive "Song of Moses" (Deuteronomy 32), a lengthy prophetic poem delivered by Moses just before his death and Israel's entry into the Promised Land. The song functions as a solemn testament, recounting God's miraculous and faithful dealings with Israel from their inception, juxtaposing His steadfast care with their anticipated future rebellion and spiritual apostasy. It serves as a covenant lawsuit, with heaven and earth called to witness Israel's failure to uphold their side of the covenant, despite experiencing divine provision and guidance throughout their wilderness journey. The immediate preceding verses (Deuteronomy 32:15-17) depict Israel's fattening and subsequent forsaking of God, making verse 18 a direct and forceful accusation of this spiritual betrayal and ingratitude.
Historical & Cultural Context
Composed at the cusp of Israel's transition from wilderness wandering to settled life in Canaan, the song addresses a people on the verge of inheriting their promised land. Historically, this period was fraught with the temptation to assimilate with pagan cultures and forget the unique covenant relationship with Yahweh. Culturally, the concept of a "Rock" (Hebrew: Tsur) as a divine epithet resonated deeply in a land characterized by rugged terrain, symbolizing stability, refuge, and an unshakeable foundation. The imagery of God "begetting" and "forming" them invoked a paternal relationship, akin to a father bringing forth and meticulously shaping his child, a powerful reminder of Israel's unique origin as a chosen nation, not merely a collection of tribes. The act of "forgetting" God in this context was not a simple lapse of memory but a deliberate turning away from the covenant and its obligations, a grave offense in Ancient Near Eastern treaty relationships, akin to breaking a solemn vow.
Key Themes
Deuteronomy 32:18 powerfully contributes to several overarching themes within the book of Deuteronomy and the broader Old Testament narrative. Foremost is the theme of God's unwavering faithfulness and sovereignty as the "Rock" and Creator, the ultimate source of Israel's identity and security, a concept echoed throughout the Psalms, such as in Psalm 18:2 where David proclaims God as his rock, fortress, and deliverer. Conversely, the verse highlights the theme of Israel's chronic unfaithfulness and spiritual amnesia, their tendency to forget the divine mercies and foundational acts that brought them into being. This "forgetfulness" is presented as a profound act of ingratitude and a direct violation of the covenant, leading to spiritual decay and vulnerability. The song as a whole, including this verse, serves as a prophetic warning of the consequences of apostasy, anticipating Israel's future idolatry and subsequent divine judgment, a pattern seen throughout their history, for example, in the recurring cycles of disobedience and deliverance in the book of Judges.
Exposition and Analysis
Key Word Analysis
Properly, a cliff or sharp rock, as compressed; generally, a rock or boulder; figuratively, a refuge. This term emphasizes God's unchangeable nature, steadfastness, strength, and reliability. As a geological feature, a rock is immovable, a source of shelter, and a firm foundation. Applied to God, it underscores His eternal, unshakeable character, serving as Israel's secure refuge and the stable ground of their existence and covenant relationship. To be "unmindful" of such a Rock is to ignore the very basis of one's security and identity.
A primitive root meaning to bear young; causatively, to beget; medically, to act as midwife; specifically, to show lineage. In this context, it emphasizes God's role as the divine Father who brought Israel into existence as a nation. It speaks to a profound, intimate, and intentional act of creation, highlighting God's paternal relationship with Israel and underscoring His sovereign design and personal involvement in their national birth and identity.
A primitive root meaning to mislay, i.e., to be oblivious of, from want of memory or attention; to cause to forget. This is more than a simple lapse of memory; it denotes a deliberate neglect, abandonment, or disregard. In a covenant context, to "forget" God is to turn away from Him, to ignore His commands, His past deeds, and His very being. It implies a spiritual apathy and a willful disengagement from the covenant relationship, leading to a practical denial of His foundational role and authority in one's life.
Verse Breakdown
"Of the Rock [that] begat thee thou art unmindful"
This clause directly accuses Israel of neglecting their divine origin and the source of their very being. "The Rock" refers to Yahweh, their stable and strong foundation, who "begat" or brought them into existence as a nation. To be "unmindful" (H7876, shâyâh') implies a lack of attention, a failure to consider, or a deliberate disregard for the source of their security and identity. It points to a profound spiritual apathy and ingratitude towards their divine Father and Creator.
"and hast forgotten God that formed thee"
This second clause parallels and intensifies the first, reinforcing the charge of spiritual amnesia. "Forgotten God" reiterates the deliberate abandonment of their covenant relationship. The phrase "that formed thee" uses a verb (H2342, chûwl') that implies the meticulous shaping and bringing forth, akin to a mother travailing in birth or a creator bringing something into being. This emphasizes God's intimate and purposeful craftsmanship in creating Israel as a unique people, making their act of forgetting all the more egregious and offensive.
Literary Devices
Deuteronomy 32:18 employs several potent literary devices to convey its message with striking force. The primary device is Metaphor, specifically the sustained metaphor of God as "the Rock." This imagery powerfully conveys God's unchangeable nature, steadfastness, and His role as an unshakeable foundation and secure refuge for Israel. It contrasts sharply with Israel's fickle and unstable behavior, highlighting the divine immutability against human inconstancy. Personification is also evident in the depiction of God as one who "begat" and "formed" Israel, attributing human-like actions of fatherhood and meticulous craftsmanship to the divine. This emphasizes God's personal and intimate involvement in Israel's genesis and ongoing existence. Furthermore, the verse utilizes Parallelism, specifically synonymous parallelism, where "unmindful" and "forgotten," as well as "begat" and "formed," convey similar ideas. This structural repetition amplifies the gravity of the accusation and underscores the profound nature of God's comprehensive creative and sustaining relationship with His people, reinforcing the charge of spiritual neglect.
Theological and Thematic Connections
Deuteronomy 32:18 profoundly articulates the foundational theological truth of God's absolute sovereignty and Israel's utter dependence upon Him for their existence and identity. It underscores that God is not merely a deity to be worshipped but the very source and sustainer of life, the "Rock" upon whom all security rests and the "Father" who meticulously brought His people into being. Israel's "forgetfulness" is thus a theological offense of the highest order, a rejection of their very foundation and a betrayal of their covenant relationship. This spiritual amnesia inevitably leads to idolatry and moral decay, as people turn from the true source of life to false gods or self-reliance. The verse serves as a timeless warning against spiritual complacency and the inherent human tendency to take God's constant faithfulness for granted, reminding all generations of the critical importance of remembering and acknowledging God's foundational role in their lives.
Reflection and Application
Deuteronomy 32:18 resonates deeply with believers today, serving as a powerful and timeless caution against spiritual complacency and ingratitude. Just as ancient Israel was prone to forget the "Rock" who brought them forth, we too can easily become "unmindful" of God's constant presence, His unwavering provision, and the foundational acts of redemption that define our spiritual identity. This verse calls us to a deliberate and continuous act of remembrance, to acknowledge God not just as a distant deity, but as our personal "Rock" and Creator, the ultimate source of all blessings and the unshakeable foundation of our lives. Cultivating a heart of gratitude for His past mercies and present faithfulness is essential to maintaining a vibrant and appreciative relationship with Him. When we forget God's character, His promises, and His past actions, we become susceptible to drifting away from His ways, seeking security or satisfaction in fleeting worldly pursuits rather than in Him. Therefore, this verse reinforces the critical importance of continually fixing our gaze on God, our true foundation, and actively recalling His goodness, ensuring our spiritual vitality and steadfastness in a world prone to distraction and forgetfulness.
Questions for Reflection
FAQ
Why is God called "the Rock" in this context, and what does it signify about His relationship with Israel?
God is called "the Rock" (Hebrew: Tsur) in Deuteronomy 32:18 and throughout the "Song of Moses" to emphasize His unchangeable nature, steadfastness, and reliability. Just as a physical rock provides a firm foundation, shelter, and an unyielding presence in a rugged landscape, God is presented as the stable, secure, and unshakeable foundation of Israel's existence, covenant, and security. This metaphor highlights His eternal faithfulness, His protective power, and His role as the ultimate source of their strength and refuge. For Israel, it signified that their very identity and survival depended entirely on this unmoving, faithful God, contrasting sharply with their own fickle and forgetful nature. This imagery is deeply rooted in the Old Testament, where God is frequently referred to as a rock, such as in Psalm 92:15, where it is declared that the Lord is upright and there is no unrighteousness in Him, He is my Rock.
What does it mean for Israel to be "begat" and "formed" by God, and why is forgetting this so serious?
The phrases "begat thee" (Hebrew: yalad) and "formed thee" (Hebrew: chûwl) signify God's intimate, intentional, and paternal role in bringing Israel into existence as a unique nation. "Begat" implies a divine fatherhood, a purposeful act of bringing forth, much like a parent gives birth to a child. "Formed" suggests meticulous craftsmanship, akin to a potter shaping clay or a creator meticulously designing something from nothing. Together, these phrases underscore that Israel was not merely a happenstance collection of tribes but a people divinely chosen, created, and shaped by God for His purposes. Forgetting this foundational truth was a grave offense because it amounted to a profound act of ingratitude and a rejection of their very identity. It meant denying the source of their blessings, abandoning their unique covenant relationship, and turning away from the One who had meticulously cared for them from their inception. This spiritual amnesia was a direct assault on God's character and His sovereign claim over them, leading inevitably to idolatry and spiritual decay, as seen throughout Israel's history, for instance, in the book of Hosea where God laments Israel's unfaithfulness despite His steadfast love.
Christ-Centered Fulfillment
Deuteronomy 32:18, with its lament over Israel's forgetfulness of the "Rock" who begat and formed them, finds its ultimate and profound fulfillment in Jesus Christ. While Israel, the corporate Son, repeatedly forgot their divine origin and foundation, Christ is the eternal Son who perfectly embodies the steadfastness of God, the true "Rock" upon whom all creation and redemption stand. He is the pre-existent Word through whom all things were made, as John 1:3 declares, "All things were made through him, and without him was not anything made that was made". He is the very "Rock" of salvation, not merely a metaphor but the living cornerstone rejected by men but chosen by God, as articulated in 1 Peter 2:7, "The stone that the builders rejected has become the cornerstone". Unlike Israel, who forgot their divine formation, Christ perfectly remembered and fulfilled the Father's will, becoming the new humanity, perfectly formed in obedience. He is the one who truly "begat" us anew through spiritual birth, making us children of God, as seen in John 1:12-13, where those who believe in His name are given the right to become children of God, born not of blood or human will, but of God. Thus, what Israel failed to embody—a people mindful of their divine Rock and Creator—is perfectly realized in Christ, who is both the unshakeable foundation and the one through whom we are spiritually begotten and formed into a new creation, forever mindful of our true source and identity in Him.