 In The Metaphysics of Morals, Kant develops the implications of this view of persons as ends in themselves. His doctrine of justice holds that the fundamental freedom and equality of persons is the basis of the legitimate state, that freedom of choice must be respected and promoted, that persons are bearers of fundamental rights and that the moral status of persons imposes limits on permissible legal punishment. In his doctrine of virtue, Kant discusses specific moral duties of recognition respect for other persons, as well as duties of recognition self-respect, to which we’ll return below. Here, Kant explicitly invokes the notion of respect as observantia. We have no moral duty to feel respect for others; rather, the respect we owe others is “to be understood as the maxim of limiting our self-esteem by the dignity of humanity in another person, and so as respect in the practical sense” (MM, 6:449). This duty of recognition respect owed to others requires two things: first, that we adopt as a regulating policy a commitment to control our own desire to think well of ourselves (this desire being the main cause of disrespect), and, second, that we refrain from treating others in the following ways: treating them merely as means (valuing them as less than ends in themselves), showing contempt for them (denying that they have any worth), treating them arrogantly (demanding that they value us more highly than they value themselves), making them look like worthless beings by defaming them by publicly exposing their faults, and ridiculing or mocking them.