For it is not the hearers of the law who are righteous before God, but the doers of the law who will be justified.
13. For the hearers of the law, etc. This anticipates an objection which the Jews might have adduced. As they had heard that the law was the rule of righteousness, (Deuteronomy 4:1,) they gloried in the mere knowledge of it: to obviate this mistake, he declares that the hearing of the law or any knowledge of it is of no such consequence, that any one...
In the former chapter the apostle had represented the state of the Gentile world to be as bad and black as the Jews were ready enough to pronounce it. And now, designing to show that the state of the Jews was very bad too, and their sin in many respects more aggravated, to prepare his way he sets himself in this part of the chapter...
Commenting on Romans 2:1-16
Which show the work of the law written in their hearts,.... Though the Gentiles had not the law in form, written on tables, or in a book, yet they had "the work", the matter, the sum and substance of it in their minds; as appears by the practices of many of them, in their external conversation.