Shared ground
Deuteronomy 30:6–7 presents restoration as something Yahweh initiates. The text explicitly says Yahweh will act on Israel’s “heart” (and the heart of their descendants) so that they love him with their whole inner self (“heart” and “soul”), and it ties that whole-hearted love to “that you may live” (v.6). Then it explicitly says Yahweh will redirect “all these curses” onto Israel’s enemies—described as those who hate them and who persecuted them (v.7).
The passage also makes a clear sequence: inner renewal comes first, and the reversal of Israel’s external misery follows. In other words, restoration is not only about location or circumstances; it includes a deep change in desire and loyalty.
Where interpretation differs
Some readers take “circumcise your heart” mainly as a vivid way of saying Israel will finally become willing and committed to obey—an internal resolve that removes stubbornness. Others take it as describing a deeper re-making of the inner person that only God can produce, not merely renewed effort.
Likewise, “that you may live” is sometimes read mostly as national survival and continued life in the land. Others read it more broadly as true life under Yahweh’s favor (which can include land-security but is not limited to it).
Finally, “put all these curses on your enemies” is read by some as a concrete, historical reversal (Israel’s persecutors in a given era). Others read “enemies” more generally as any hostile powers that oppose God’s restored people.
Why the disagreement exists
The key phrases are images and covenant language rather than precise definitions. “Circumcision” is a known physical sign, but applied to the “heart” it becomes a metaphor whose exact depth can be debated. Also, “live” in Deuteronomy often includes land and national continuity, but it can also point to the full well-being that comes from covenant faithfulness. And “all these curses” depends on how widely one connects the phrase to earlier lists of covenant disasters (especially the exile-and-judgment material) versus a narrower set.
What this passage clearly contributes
Textually, the passage contributes (1) a strong statement that Yahweh himself addresses the inward problem behind Israel’s failure (“heart” change), (2) a definition of restored covenant loyalty as whole-hearted love for Yahweh (echoing Deuteronomy’s larger emphasis on love), (3) a tight link between that restored love and “life,” and (4) a picture of covenant reversal in which the curses that fell on Israel are reassigned to hostile persecutors. Within Deuteronomy 30’s flow, these verses explain how return and restoration can be lasting: not only by changed circumstances, but by changed inner allegiance Deuteronomy 30:1.