For rulers are — In the general, notwithstanding some particular exceptions. A terror to evil works — Only. Wouldest thou then not be afraid — There is one fear which precedes evil actions, and deters from them: this should always remain. There is another fear which follows evil actions: they who do well are free from this.
Related Commentaries of Romans 13:3
Romans 13:3
3 For rulers are not a terror to good works, but to the evil. Wilt thou then not be afraid of the power? do that which is good, and thou shalt have praise of the same: