which is not even a gospel. Evidently some people are troubling you and trying to distort the gospel of Christ.
7. Which is not another thing “ὃ οὐκ ἔστιν ἄλλο. Some have questioned the genuineness of ἄλλο,— conjecturing that some one first introduced ἀλλὰ into the margin as an interpretation of εἰ μή, and then some other person changed it into ἄλλο, per incuriam, and introduced it into the text.
Here the apostle comes to the body of the epistle; and he begins it with a more general reproof of these churches for their unsteadiness in the faith, which he afterwards, in some following parts of it, enlarges more upon. Here we may observe, I. How much he was concerned at their defection: I marvel, etc. It filled him at once with the greatest surprise and sorrow.
Commenting on Galatians 1:6-9
Which is not another,.... It is no Gospel, no joyful sound, no good news, and glad tidings; the doctrine which attributes justification to the works of the law, or mixes grace and works in the business of salvation, which was the doctrine of these false teachers, is no Gospel; not truly so, however it may be called; nor does it bring any solid peace and joy to distressed minds.