Romans 13:3
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:
Cross-reference
Romans 13:4 directly continues the argument, explaining that rulers are God's servants who execute wrath on wrongdoers, reinforcing the same point.
In 1 Peter 2:14, rulers are described as sent to punish evil and praise good — directly echoing the same principle of civil authority.
Acts 18:14 shows Gallio, as a ruler, refusing to condemn Paul for no crime, directly illustrating a ruler not being a terror to good works.
Acts 18:16 shows Gallio driving away Paul's accusers, acting as a terror to those who bring false charges, mirroring the principle.
Daniel 6:16 shows King Darius reluctantly punishing innocent Daniel, contrasting with the ideal that rulers praise good works.
Deuteronomy 25:1 describes judges acquitting the innocent and condemning the guilty, mirroring the principle that authorities reward good and punish evil.