Shared ground
Psalm 120:7 ends with a blunt contrast. The speaker presents himself as oriented toward peace—as his settled stance, not simply a momentary mood (explicit textual claim). Yet at the point of speech (“when I speak”), the other party is described as “for war” (explicit textual claim). The verse assumes a relationship where intentions do not match: one side seeks settled relations, the other is set on conflict (explicit textual claim).
This closing line also gathers up the psalm’s earlier complaint about hostile, deceitful surroundings (inferred from the section context in Psalm 120, and consistent with v.6). Peace here is more than internal calm; it points to stable, workable social relations. “War” can include actual violence, but the verse at least portrays an aggressive posture that makes conflict likely (inference anchored to Stage A pressure points).
Where interpretation differs (only where needed)
What “I am for peace” means. Some read it mainly as the speaker’s character (“I am peace,” meaning a peaceable person). Others read it more as chosen intent (“my aim is peace”) in this specific dispute. Both fit the compressed wording, and both preserve the contrast with the other side’s stance.
What “when I speak” implies. Some take it as peacemaking speech—attempts to reconcile that still fail. Others take it more broadly: any time the speaker opens his mouth, the opponents treat it as an occasion for conflict.
How literal “war” is. Some read “war” as direct physical threat. Others understand it as the stance and language of conflict—escalation, hostility, and readiness to fight—whether or not weapons appear.
Why the disagreement exists
The line is extremely brief and poetic. It states positions (“I… peace / they… war”) but does not specify the setting, the exact words spoken, or whether “war” is metaphorical or literal. That openness forces interpreters to infer details from the psalm’s broader focus on hostile speech and social hostility.
What this passage clearly contributes
It adds a final, unresolved summary: the speaker’s peace-oriented intent meets an opponent committed to conflict, and communication is the flashpoint (“when I speak”). The verse portrays the pain of being the lone peace-seeker in a hostile environment and ends without resolution, highlighting an ongoing mismatch of aims rather than a quick reversal or closure. It also sharpens the psalm’s theme that words can become a battleground when one side refuses peace.