'Wrong doing' in the Bible

In doing this [i.e., practicing some of the requirements of the law of Moses], they demonstrate that these requirements are written in their hearts. Their conscience tells them this, and their thoughts alternately accuse them [of wrongdoing], or else endorse them [for doing right]).

Now if our wrongdoing serves to emphasize more clearly that God does what is right, what should we say about that? Is God being unjust for sending [His] wrath [on the world]? (I am raising a human objection).

What shall we say then? Is God guilty of wrongdoing? Certainly not!

For they are servants of God for your good. But you should be afraid if you do what is evil, because they do not carry the sword [i.e., for executing criminals] for nothing. For they are servants of God who take revenge [on wrongdoing] by punishing the person who does evil.