Matthew Poole's English Annotations on the Holy Bible - Galatians 1:8-9
The apostle, by this vehement expression, doth no more suppose it possible that a heavenly angel should publish to them any other way of salvation than what he had published, than that he himself might so contradict his own doctrine. He only by it declares his certainty of the truth, which he had delivered to them; it was not to be contradicted either by man or angel; and further teacheth us, that additions to the doctrines of the gospel make another gospel; God neither allowing us to add to,... read more
Matthew Poole's English Annotations on the Holy Bible - Galatians 1:7
Which is not another; another doctrine it is, but another doctrine or glad tidings of salvation, or another gospel of Christ, it is not; for there is no other. In and by the new notions they bring they do but trouble you, and pervert the true doctrine of the gospel; though they use the name of Christ, and of his gospel, they do it falsely; for by making the works of the law, and the observance of them, necessary to be by you observed in order to your salvation, they quite destroy and pervert... read more