May your conscience be able to so approve of your conduct that, even if you are ridiculed, those doing it will [eventually] have to be ashamed [of themselves] for criticizing your Christian behavior.
Pray for us [continually]. We are convinced that we [i.e., the writer of Hebrews] have a clear conscience [i.e., regarding our relationship to you] and we want to behave properly in every way.
This is the reason why you should pay taxes also. For the authorities are God’s servants who continually tend to this matter [i.e., of collecting taxes].