Shared ground
Deuteronomy 8:17–18 addresses a predictable story people tell themselves when life becomes secure: “My power and the strength of my hand got me this wealth” (v.17). The text treats that claim as a heart-level conclusion, not merely public speech.
The alternative is not denial of work, skill, or planning, but a different explanation for why those efforts succeed. Israel is to “remember Yahweh your God” (v.18a), because the decisive “power” behind wealth-producing ability comes from him (v.18b). The same concept of “power” is moved from self-credit (v.17) to God as giver (v.18).
The passage also frames this wealth-capacity within covenant history: God’s giving “establishes his covenant” sworn to the “fathers,” and it remains in effect “as at this day” (v.18c). That places economic capacity inside an ongoing relationship and story, not just personal achievement.
Where interpretation differs
Some read “power to get wealth” mainly as God granting personal ability (strength, skill, wisdom, opportunity) while the actual wealth is produced through ordinary labor. Others read it more broadly as God shaping the whole set of conditions that make prosperity possible (rain, peace, social stability, fertile land, safety), so that even “successful systems” are part of the gift.
Readers also differ on “establish his covenant.” Some hear it as God confirming the reliability of his promises to the ancestors by continuing to provide. Others hear it as God sustaining the covenant relationship by providing the material setting in which Israel can remain his people in the land.
Why the disagreement exists
The Hebrew wording can carry more than one emphasis: “power” can mean personal capacity or effective enabling, and “establish” can mean “confirm/keep in force” or “set up/maintain in practice.” The immediate context (prosperity leading to forgetting) supports both a personal-moral warning and a broader claim about God’s control over conditions.
What this passage clearly contributes
Explicitly, it rejects the idea that wealth is purely self-made and locates the ability to gain in Yahweh’s gift. It also connects prosperity to covenant continuity: God’s provision is not random luck or proof of self-sufficiency, but part of his ongoing commitment to the covenant sworn to Israel’s ancestors. The passage contributes a framework for interpreting success: ordinary human effort is real, yet not ultimate, because the enabling “power” is given by God (Deuteronomy 8:17; Deuteronomy 8:18).