 A third reason to keep the concept of evil is that categorizing actions and practices as evil helps to focus our limited energy and resources. If evils are the worst sorts of moral wrongs, we should prioritize the reduction of evil over the reduction of other wrongs such as unjust inequalities. For instance, Card believes that it is more important to prevent the evils of domestic violence than it is to ensure that women and men are paid equal wages for equal work (Card 2002, 96–117).