Animal rights the interests of the worse off more important than those of the better off. Another approach, virtue ethics, holds that in considering how to act we should consider the character of the actor, and what kind of moral agents we should be. Rosalind Hursthouse has suggested an approach to animal rights based on virtue ethics. Mark Rowlands has proposed a contractarian approach. Nussbaum (2004) writes that utilitarianism, starting with Jeremy Bentham and John Stuart Mill, has contributed more to the recognition of the moral status of animals than any other ethical theory. The utilitarian philosopher most associated with animal rights
The Moral Philosopher and the Moral Life is the measure of the various goods and ills which men recognize, so that the philosopher may settle the true order of human obligations." As James sees it, the psychological question is whether human ideas of good and evil arise from "the association of [certain ideals] with act of simple bodily pleasures and reliefs from pain." He believes that some elements of our moral sentiment do have such a source, and that Jeremy Bentham and his followers have done the world a lasting service by pointing that out. But he doesn't believe that association and pleasure/pain calculus are adequate to