Catholic Commentary
The Foolishness of Israel and the Inferiority of False Gods
28For they are a nation void of counsel.29Oh that they were wise, that they understood this,30How could one chase a thousand,31For their rock is not as our Rock,32For their vine is of the vine of Sodom,33Their wine is the poison of serpents,
Israel abandoned the God who gave miraculous victory for gods that cannot even protect them from a handful of soldiers—a stupidity so complete it could only be chosen.
In this stinging section of the Song of Moses, God laments Israel's radical failure of wisdom: the nation has abandoned the Rock of its salvation for gods whose power is hollow and whose fruit is poison. Verses 28–33 form a double indictment — first of Israel's incomprehension of its own history (vv. 28–30), then of the utter worthlessness of the foreign gods Israel has chosen in place of the LORD (vv. 31–33). Together they expose the theological absurdity and moral catastrophe of apostasy, framing idolatry not merely as sin but as stupidity of the most self-destructive kind.
Verse 28 — "A nation void of counsel" The Hebrew term 'etsah (counsel, wisdom, strategy) is the same word used for divine wisdom in Isaiah 11:2, where the Spirit of the LORD rests upon the messianic figure as a "spirit of counsel." To be void of 'etsah is therefore not merely to lack practical cleverness but to be severed from the very wisdom that flows from God. Moses does not say Israel lacks intelligence; Israel has witnessed the plagues of Egypt, the parting of the sea, the manna, the water from the rock. The indictment is deeper: they have refused to draw the obvious conclusion from what they have seen. This willful blindness is characteristic of idolatry throughout Scripture — it is not ignorance but a culpable turning away. The phrase anticipates the later prophetic tradition (cf. Is 1:3: "The ox knows its owner… but Israel does not know") in which Israel's unfaithfulness is presented as an inversion of the natural order.
Verse 29 — "Oh that they were wise, that they understood this" The optative cry — O that they were wise! — is striking. It is the voice of God longing for Israel's conversion even as he diagnoses the catastrophe. The word yaskilu (that they would understand, discern) shares a root with sekhel, the faculty of moral and spiritual discernment. The content of what they should understand is specified by context: if they traced the arc of their history — election, covenant, sustained miraculous care, their own repeated infidelities, and the inevitable consequences — they would recognize that their present suffering is not divine abandonment but the logical fruit of their own choices. Catholic interpreters have read this verse as the voice of divine desiderium (longing desire), consistent with Ezekiel 18:23 — "Do I take any pleasure in the death of the wicked? Rather, am I not pleased when they turn from their ways and live?" God wills not the destruction of the foolish but their return to wisdom.
Verse 30 — "How could one chase a thousand?" This verse poses the obvious strategic question that Israel should have asked during its defeats at the hands of enemies: how is it possible for a single enemy warrior to rout a thousand Israelites, or two to put ten thousand to flight? The rhetorical answer, unstated but unmistakable, is that it is impossible unless "the LORD had delivered them up." The military imagery is a vehicle for theological argument. Israel's defeats are not explained by superior enemy forces but by the withdrawal of divine protection — itself caused by Israel's covenant infidelity. The verse functions as a kind of of apostasy: you traded the God who gave you miraculous victories for gods who cannot even protect you from a handful of soldiers.
Catholic tradition reads this passage through the lens of several interlocking theological commitments.
First, the doctrine of divine transcendence and the unreality of idols. The Catechism teaches that "the first commandment condemns polytheism" and that idols are "not God" in any meaningful sense (CCC 2112–2114). Deuteronomy 32:31 dramatizes this truth poetically: even the worshippers of false gods cannot, in their honest moments, claim equality between their deities and the LORD. St. Augustine, meditating on this verse in The City of God (Book VIII), argues that the pagan philosophers themselves knew that the popular gods were unworthy of worship — yet they worshipped them anyway. This is what Augustine calls the voluntas perversa (perverse will): knowledge twisted against itself by disordered desire.
Second, the typology of the Rock. St. Paul explicitly identifies the rock that accompanied Israel in the desert as Christ: "the Rock was Christ" (1 Cor 10:4). The Fathers — Origen, Ambrose, and above all Cyril of Alexandria — developed this identification extensively. The Rock of Deuteronomy 32 who gives water, sustenance, and victory is the pre-incarnate Logos, present to Israel in type and figure. The contrast between "our Rock" and "their rock" is therefore, in its fullest Christian sense, a contrast between Christ and every counterfeit savior — whether ancient idol or modern ideology.
Third, the Sodom typology. The Magisterium, following the Fathers and the broader Scriptural tradition, treats Sodom not merely as a historical example but as an abiding theological symbol of civilization organized against God (CCC 2357 references it in the context of the gravity of sin against the natural law). That the false gods are rooted in the "vine of Sodom" signals that idolatry is not a private sin but a civilization-forming choice that produces cultures of death.
Finally, the poison of serpents resonates with the Church's reading of Genesis 3. The serpent in Eden offered knowledge; the serpent-wine of the false gods offers pleasure, power, and belonging. In both cases the fruit is death. St. Irenaeus (Adversus Haereses V) sees the entire economy of salvation as the reversal of the serpent's deception: Christ, lifted up on the cross like the bronze serpent of Numbers 21, draws all things to himself and transforms the poison of sin into the medicine of grace.
The six verses of this cluster pose a searingly relevant question to the contemporary Catholic: What has replaced God as the rock upon which I actually build my life? The text does not imagine Israel's apostasy as dramatic devil-worship; it imagines it as a quiet drift toward sources of security, meaning, and pleasure that feel solid but are made of Sodom-grapes. For Catholics today, the false rocks are rarely carved idols — they are financial security, ideological tribalism, therapeutic self-sufficiency, or the approval of peer culture. Moses' lament, "Oh that they were wise, that they understood this," is a call to the specifically Catholic practice of examination of conscience as an act of intelligence: not merely asking "what have I done wrong?" but "what has my life, in practice, been organized around?" The military image of verse 30 is a practical diagnostic: Where am I experiencing inexplicable defeat, exhaustion, or fruitlessness? Catholic spiritual direction in the Ignatian tradition would call this reading the consolations and desolations of one's inner life. The poison of serpents is rarely labeled as such when first offered. The discipline is to trace the fruit back to the vine.
Verse 31 — "For their rock is not as our Rock" Here the poem pivots from indictment of Israel to a comparative theology of divine power. Even Israel's enemies, the text daringly asserts, recognize on some level that their gods ("their rock," lowercase) are ontologically inferior to the LORD ("our Rock," the title used consistently in this Song since v. 4, where the LORD is praised as "the Rock, his work is perfect"). The use of "rock" (tsur) as a divine title is one of the Song's controlling metaphors: God is the source of stability, refuge, sustenance (cf. the water from the rock in Ex 17). The pagan divinities, by contrast, are rocks in name only — they have the form of permanence but not the substance. Jewish and Christian interpreters alike have noted the profound irony: even pagans know, at some level, that their gods are inferior. Apostasy thus involves a kind of deliberate self-deception.
Verses 32–33 — "Their vine is of the vine of Sodom… their wine is the poison of serpents" The vine imagery shifts the poem from military to agricultural metaphor. In the ancient Near East, the vine was a symbol of blessing, covenant fruitfulness, and civilization. To describe the vine of the false gods as a "vine of Sodom" is to invoke the ultimate biblical symbol of total moral and spiritual corruption — a civilization so rotten that nothing salvageable remained (Gen 19). The grapes of Sodom in later Jewish tradition (cf. the apocryphal tradition of the Dead Sea's "apples of Sodom," beautiful in appearance but dissolving into ash when touched) became a proverbial image for things that promise delight but deliver death. The wine pressed from these grapes is then described as "the poison of serpents" and "the cruel venom of asps" — the most deadly biological threat known to the ancient world. The cumulative image is devastating: what the false gods offer as nourishment is, in reality, lethal. The typological resonance with Eden (the serpent, the fruit that appeared desirable but brought death, Gen 3) is almost certainly deliberate: idolatry is a re-enactment of the original temptation, and it yields the same fruit.