John Wesley on Romans 2:13

For not the hearers of the law are, even now, just before God, but the doers of the law shall be justified - Finally acquitted and rewarded a most sure and important truth, which respects the gentiles also, though principally the Jews. St. Paul speaks of the former, Rom 2:14, &c.; of the latter, Rom 2:17, &c. Here is therefore no parenthesis; for the sixteenth verse also depends on the fifteenth, not on the twelfth. Rom 2:16,15,12.