Shared ground
Psalm 65:3–4 presents a movement from being overpowered by wrongdoing to being welcomed near God. The problem is described as real and heavy: “sins overwhelmed me.” The answer is also real and decisive: God “atoned for our transgressions.” These lines assume that access to God is not casual. Nearness is pictured through temple language (“courts,” “house,” “holy temple”), and it is received as a gift rather than achieved by effort.
The passage also shifts from “me” to “our” to “we.” That widening suggests the speaker’s experience is meant to be shared by the worshiping community, not kept private.
Where interpretation differs
Some disagreement exists about what kind of “atoned” action is in view. One reading hears mainly ritual language tied to temple sacrifices and the public worship life of Israel. Another reading treats the same wording as a broad statement about God forgiving and removing guilt (with temple worship as the setting and sign of that forgiveness).
There is also some uncertainty about who the “chosen” person is. Some see a specific group (such as priests or temple servants) who “live” in the courts in a more direct way. Others take it more generally as any worshiper whom God welcomes to draw near.
Why the disagreement exists
The text uses temple-centered imagery that can be read either narrowly (about formal roles and sanctuary rites) or more broadly (about God granting access and cleansing for the community). Also, phrases like “live in your courts” can mean continuous residence for certain people, or regular, accepted participation in worship.
What this passage clearly contributes
Explicitly, the text claims (1) wrongdoing can “prevail” over a person, (2) God provides atonement for “our transgressions,” and (3) nearness to God is something God grants: he chooses and brings near a “blessed” person so that person may be in God’s courts. It also claims that the result is satisfaction: “we will be filled with the goodness of your house” (God’s ) and “your holy temple.”
By implication, the passage connects forgiveness/removal of guilt with welcome into God’s presence: the move from overwhelmed sin (v.3) to satisfied access (v.4) presents God as both the one who deals with transgression and the one who hosts worshipers in his holy space.