Shared ground
Deuteronomy 32:15–18 presents a moral and relational pattern inside the Song of Moses: Israel (called “Jeshurun”) receives well-being and then turns that security into self-satisfaction and resistance. The text’s explicit claims link prosperity (“grew fat…sleek”) with defiance (“kicked”), and then with betrayal: they “forsook” the God who made them and treated “the Rock” of deliverance as unimportant (vv. 15, 18). That disloyalty shows up in worship—turning to “strange gods,” “abominations,” and sacrifices described as offered to “demons…no God” and to “new gods” (vv. 16–17).
The passage also frames the core failure as forgetfulness: being “unmindful” and “forgetting” the One pictured as their father and source of life (v. 18). That parent language strengthens the point that this is not just rule-breaking but abandoning a foundational relationship.
Where interpretation differs
Some disagreement centers on what “demons” means in v. 17. One reading takes it as referring to real spiritual beings receiving worship through idolatry. Another sees it mainly as a sharp insult: the “gods” Israel sacrifices to are not true gods at all, and “demons” is a way of exposing the emptiness and danger of those cults.
Another difference is how to hear the tone of “Jeshurun” (v. 15). Some take it as a warm, honorable nickname that makes the betrayal more tragic; others hear a more ironic edge, as if “upright one” exposes how far they fell.
Why the disagreement exists
The song uses poetry and polemic. Terms like “fat…kicked,” “jealousy,” and “demons…no God” can work both descriptively and rhetorically. Because the passage is not a technical explanation of the unseen world but a moral indictment, readers weigh differently whether specific words are meant literally, rhetorically, or both.
What this passage clearly contributes
- It connects God’s gifts and Israel’s later arrogance: prosperity can become a context for disloyalty (v. 15).
- It portrays idolatry as relational betrayal—abandoning the Maker and treating the saving “Rock” as trivial (vv. 15, 18; rock).
- It describes Israel’s false worship as choosing outsiders and “new” objects of trust that their ancestors did not revere (vv. 16–17).
- It identifies “forgetting” as a central dynamic: betrayal is described as losing attentive loyalty to the God who birthed and fathered them (v. 18).