Commentaries:
Jamieson, Fausset, and Brown
they . . . which trouble you—Translate, as the Greek is different from Galatians 5:10, "they who are unsettling you."
were even cut off—even as they desire your foreskin to be cut off and cast away by circumcision, so would that they were even cut off from your communion, being worthless as a castaway foreskin (Galatians 1:7-8; compare Philippians 3:2). The fathers, JEROME, AMBROSE, AUGUSTINE, and CHRYSOSTOM, explain it, "Would that they would even cut themselves off," that is, cut off not merely the foreskin, but the whole member: if circumcision be not enough for them, then let them have excision also; an outburst hardly suitable to the gravity of an apostle. But Galatians 5:9-10 plainly point to excommunication as the judgment threatened against the troublers: and danger of the bad "leaven" spreading, as the reason for it.
Other Jamieson, Fausset, and Brown entries containing Galatians 5:12:
Galatians 1:7
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