Shared ground
David’s main point is explicit: neither he nor the people can take credit for their generosity, because the resources and even the ability to give come from God (vv. 14, 16). The offering is described as giving God “what is already yours,” not as humans supplying what God lacks.
The passage also explicitly links giving to human limits. Israel’s life is “temporary” like a shadow, with “no abiding” (v. 15). That undercuts any sense of lasting ownership or self-made security.
A final explicit claim is moral and relational: God “tries the heart” and takes pleasure in “uprightness” (v. 17). In this scene, what matters is not only the gift, but willing and sincere motives.
Where interpretation differs
Two phrases carry more than one reasonable emphasis.
“Strangers” and “sojourners” (v. 15): Some read this mainly as a spiritual statement about human status before God—people ultimately belong to God and live on his land by permission. Others read it more as social fragility—Israel’s wealth and stability are vulnerable and could be lost, so their security should not be treated as guaranteed.
“No abiding” and life “as a shadow” (v. 15): Some take this primarily as mortality (life passes quickly). Others think it also targets the impermanence of possessions and national stability, especially in a context about wealth and building funds.
Why the disagreement exists
The words used are broad and poetic, and the immediate context can point in two directions at once: it is a prayer about a large financial gift (which invites an “impermanent wealth” reading), but it also uses classic language about human briefness (which invites a “mortality” reading). The text itself does not force only one emphasis.
What this passage clearly contributes
The passage adds a strong “God-as-giver” frame to worship and communal projects: the community’s generosity is real, but it is derivative—“from your hand” (vv. 14, 16). It also connects accountability to inner intent: God evaluates the heart, and upright, willing giving is presented as the fitting response to God’s prior giving (v. 17).