Ellicott's Commentary for English Readers - Romans 2:13
(13) For not the hearers of the law.—The parenthesis should not be placed here (as usually in the Authorised version), but at the beginning of the next verse. The present verse is explanatory of that which precedes. “Judged, I say, by the Law; for they must not suppose that the mere fact of their being under the Law will exempt them from this judgment. The only exemption will be that which is given to those who have kept the Law, and not merely had the privilege of hearing it. And,” the... read more
Ellicott's Commentary for English Readers - Romans 2:12
(12) Jew and Gentile alike will be judged, each by the method proper to his case; the Jew by the written Law against which he has sinned, the Gentile by the unwritten law of conscience against which he too has sinned. The mere hearing of the Law will bring no exemption to the Jew; and, on the other hand, the Gentile, who, at the dictates of conscience, acts as if he were subject to law, shall have the full benefit that law can give him. In fact, his conscience is to him a law. He undergoes... read more