Shared ground
These two verses present a public, covenant-shaped moment. Moses and the Levitical priests address all Israel, call for silence and careful listening, and then make a time-marked declaration: “this day” Israel has become Yahweh’s people. The passage then draws an explicit conclusion (“therefore”): belonging to Yahweh is tied to obeying Yahweh’s voice, described as doing the commandments and statutes being given “this day.”
The text’s own logic is clear and tight: declared identity → required obedience. It also frames obedience as concrete practice, not just hearing words.
Where interpretation differs
1) What “this day you have become the people of Yahweh” means.
Some read it as a formal public confirmation of a relationship that already existed (Israel was already called Yahweh’s people earlier), now being renewed and owned at a key transition before entering the land. Others read it as highlighting a decisive step in the covenant process—an “official” becoming, tied to this ceremony and the obligations being restated.
2) How wide “obey the voice of Yahweh” reaches.
Some take “voice” here as essentially the same as the written commands and statutes Moses is delivering in Deuteronomy. Others think “voice” is broader language that can include Yahweh’s direct guidance in addition to the written instruction, while still anchored in the covenant standards.
Why the disagreement exists
The phrase “this day” can mark either a new beginning or a solemn reaffirmation, and Deuteronomy often uses time-markers to heighten the seriousness of covenant commitments. Also, “voice” can be a straightforward way of saying “what Yahweh commands,” but in other biblical contexts it can also point to Yahweh’s spoken direction. The immediate context (commandments and statutes “which I command you this day”) pushes readers toward linking “voice” closely to the covenant instruction, even if the wording is broad.
What this passage clearly contributes
Explicitly, the passage ties Israel’s corporate identity (“people of Yahweh”) to a public hearing moment and to ongoing covenant obedience. It emphasizes that covenant life is communal (“all Israel”), mediated through recognized leaders (Moses with Levitical priests), and centered on attentive listening. Theologically inferred (but consistent with the text’s direction), the passage portrays obedience as the fitting response to Yahweh’s claim on the people, not as a detached legal checklist. See also Deuteronomy 6:4–6 for the wider theme of hearing leading into doing.