Butler does say that resentment can be dangerous, but it is not resentment as such that is the problem. Rather, he claims that when resentment is allowed to become “excessive” it can easily lead an agent to pursue revenge, not as a means to producing some greater social good, but as a self-gratifying exercise that seeks “the misery of our fellow creatures” [IX.10]. But to let resentment carry one this far is to violate a general obligation to benevolence. To forgive, then, is simply to prevent resentment from having this effect on us. The divine command to benevolence is therefore just the com...