As the Israelites stand on the brink of entering the Promised Land, God establishes clear boundaries of restraint, instructing them to respect the sovereignty of neighboring nations. The strict warning against provoking the descendants of Esau reveals a broad vision of Divine providence, demonstrating that God allocates territories to various peoples and expects the Israelites to acknowledge this distribution.
The directive to avoid provoking Esau serves as a stern warning against initiating conflict, starting a quarrel, or stirring up the public toward a military confrontation with Edom [אבן עזרא, ביאור יש״ר, רש ר הירש]. This prohibition is absolute, extending to the smallest conceivable measure of territory. The primary approach among commentators is that God does not permit the Israelites to confiscate even a tiny sliver of land, nor do they have the right to enter or pass through Edomite territory by force or without authorization. However, this restriction applies exclusively to violent or unilateral incursions. If the descendants of Esau were to willingly allow passage, it would not constitute a violation. This is precisely why Moses initially sent peaceful messengers to secure their approval [אור החיים, שפתי חכמים, רלב״ג].
The severity of this warning echoed generations later when Joab, the commander of King David's army, waged war against Edom for six months. According to the Midrash, God held them strictly accountable for breaching this historical command, and as a punishment, those six months were deducted from the total years of David's reign [תורה תמימה]. Moses found it necessary to emphasize this prohibition at this specific moment because he feared the nation might interpret the avoidance of Edom as a sign of weakness. They might mistakenly conclude that God lacked the power to conquer these lands for them. Therefore, Moses clarified that their restraint was the result of God's deliberate will and His intentional distribution of territories, rather than any lack of Divine capability [רשב״ם, ביאור יש״ר].
The underlying reason for this restriction is that Esau's right to the land stems directly from God's original promise to Abraham. Of the ten nations promised to Abraham, seven were designated for the Israelites, while the remaining three were granted to the descendants of Esau and Lot [רש״י, רבנו בחיי, שפתי חכמים]. Some note a distinction in how these lands were acquired: while Esau received his territory through the laws of family inheritance, Lot was granted his land as a reward for his loyalty to Abraham in Egypt [ברכת אשר על התורה]. Acknowledging Esau's inheritance carries a profound universal message. The Israelites are not meant to be an expansionist empire destined to conquer the entire globe. Instead, they must join the family of nations with a deep respect for the borders and property of others, remaining content with the exact portion assigned to them by Divine providence [רש ר הירש]. Furthermore, this reality foreshadows the Israelites' future role in exile, where they must patiently endure the dominion of Esau, who receives the bulk of his reward and material success in this current world [צרור המור].
Beyond the literal boundaries of geography, there is a layer of interpretation that views the restriction of a single footstep not merely as a unit of space, but as a measure of time. In this light, the territory belongs to Esau only temporarily, until the arrival of the Messianic era. This future time is described by the prophets as the day when God's presence will figuratively tread upon the Mount of Olives [רש״י, רבנו בחיי, שפתי חכמים, מלבי״ם, ביאור שטיינזלץ]. Another approach connects this delayed conquest to the Sin of the Golden Calf. The conceptual imagery of a footstep hints at the lingering spiritual blemish of that sin. Only when this spiritual flaw is fully rectified and the scattered spiritual sparks are elevated will the Israelites finally merit inheriting these additional territories [משכיל לדוד, חומת אנך].