Shared ground
Paul closes the letter by trying to end the conflict aimed at him: “From now on” he wants no further “trouble” directed his way (explicit). His stated reason is personal and bodily—he “bears” visible “marks” that identify him as belonging to Jesus (explicit). The closing line then returns to the letter’s core tone of gift rather than performance: he asks for “the grace of our Lord Jesus Christ” to be with their “spirit,” and he still addresses them as “brothers” (explicit).
These closing sentences tie Paul’s authority to suffering rather than status. In the wider letter, opponents were pressing for outward identity signals; Paul ends by pointing to a different kind of outward sign—his scars—while directing the Galatians’ wellbeing toward the inside (“your spirit”) and toward grace (inference anchored to the explicit wording and the nearby context in Galatians 6:11–6:16).
Where interpretation differs
Some disagreement shows up around what “marks … branded on my body” means. Many read it as literal scars from beatings and persecution connected with Paul’s mission (inference from “on my body” plus his known experiences elsewhere). Others think Paul is also drawing on the imagery of branding that marked ownership in the ancient world, so the phrase functions like a vivid metaphor: his body “labels” him as Jesus’ servant even if the exact marks are not specified (inference from “branded” language). These readings are not mutually exclusive; the point may be scars described with branding imagery.
A smaller difference concerns “with your spirit.” Some take it as a simple way of saying “with you,” a standard closing wish (inference). Others think Paul is intentionally highlighting the inner life—orientation, conscience, and the sphere where God’s Spirit works—especially after a letter that contrasts outward badges with inward reality (inference tied to the explicit phrase “your spirit”).
Why the disagreement exists
Paul does not list the specific “trouble” he wants to stop, nor does he name what the “marks” look like. He also uses a strong word (“branded”) that can describe literal marking while also functioning as ownership imagery. And “your spirit” can be either a focused phrase or a conventional closing expression, so interpreters weigh how much emphasis Paul intends.
What this passage clearly contributes
It provides Paul’s final self-reference: his credibility is connected to costly identification with Jesus rather than to impressive presentation (explicit: he bears the marks; inference: this functions as a credential). It also ends the letter by re-centering the Galatians on grace from Jesus the Lord, aimed at their inner life, while still naming them as family (“brothers”) despite the sharp arguments earlier (explicit).