Therefore you must be subject, not only because of wrath but also for conscience' sake.
Romans 13:5
Surrounding context
13:4 For he is God's minister to you for good. But if you do evil, be afraid; for he does not bear the sword in vain; for he is God's minister, an avenger to execute wrath on him who practices evil.
13:5 Therefore you must be subject, not only because of wrath but also for conscience' sake.
13:6 For because of this you also pay taxes, for they are God's ministers attending continually to this very thing.