In Context

13 (For not the hearers of the law are just before God, but the doers of the law shall be justified.

14 For when the Gentiles, who have not the law, do by nature the things contained in the law, these having not the law, are a law to themselves.

15 Who show the work of the law written in their hearts, their conscience also bearing testimony, and their thoughts the mean while accusing, or else excusing one another)

16 In the day when God shall judge the secrets of men by Jesus Christ, according to my gospel.

17 Behold, thou art called a Jew, and restest in the law, and makest thy boast of God,

18 And knowest his will, and approvest the things that are more excellent, being instructed out of the law,

Romans 2:16 in Other Translations