Marcus never defines what he means by justice, and it is important to recognize what the term implies and what it does not. All human beings have a share of the logos, and all have roles to play in the vast design that is the world. But this is not to say that all humans are equal or that the roles they are assigned are interchangeable. Marcus, like most of his contemporaries, took it for granted that human society was hierarchical, and this is borne out by the images he uses to describe it. Human society is a single organism, like an individual human body or a tree. But the trunk of the tree is not to be confused with the leaves, or the hands and feet with the head. Our duty to act justly does not mean that we must treat others as our equals; it means that we must treat them as they deserve. And their deserts are determined in part by their position in the hierarchy. Stoicism's emphasis on the orderliness of the universe implies a similar orderliness and harmony in its parts, and part of its appeal to upper-class Romans may have been that it did not force its adherents to ask difficult questions about the organization of the society they lived in. The third discipline, the discipline of will, is in a sense the counterpart to the second, the discipline of action. The latter governs our approach to the things in our control, those that we do; the discipline of will governs our attitude to things that are not within our control, those that we have done to us (by others or by nature). We control our own actions and are responsible for them. If we act wrongly, then we have done serious harm to ourselves (though not, it should be emphasized, to others, or to the logos). By contrast, things outside our control have no ability to harm us. Acts of wrongdoing by a human agent (torture, theft, or other crimes) harm the agent, not the victim. Acts of nature such as fire, illness, or death can harm us only if we choose to see them as harmful. When we do so, we question the benevolence and providence of the logos, and thereby degrade our own logos. This, of course, we must not do. Instead we must see things for what they are (here the discipline of perception is relevant) and accept them, by exercising the discipline of will, or what Epictetus calls (in a phrase quoted by Marcus) "the art of acquiescence." For if we recognize that all events have been foreseen by the logos and form part of its plan, and that the plan in question is unfailingly good (as it must be), then it follows that we must accept whatever fate has instore for us, however unpleasant it may appear, trusting that, in Alexander Pope's phrase, "whatever is, is right." This applies to all obstacles and (apparent) misfortunes, and in particular to death -- a process that we cannot prevent, which therefore does not harm us, and which accordingly we must accept willingly as natural and proper.🏁

Marcus never defines what he means by justice, and it is important to recognize what the term implies and what it does not. All human beings have a share of the logos, and all have roles to play in the vast design that is the world. But this is not to say that all humans are equal or that the roles they are assigned are interchangeable. Marcus, like most of his contemporaries, took it for granted that human society was hierarchical, and this is borne out by the images he uses to describe it. Human society is a single organism, like an individual human body or a tree. But the trunk of the tree is not to be confused with the leaves, or the hands and feet with the head. Our duty to act justly does not mean that we must treat others as our equals; it means that we must treat them as they deserve. And their deserts are determined in part by their position in the hierarchy. Stoicism's emphasis on the orderliness of the universe implies a similar orderliness and harmony in its parts, and part of its appeal to upper-class Romans may have been that it did not force its adherents to ask difficult questions about the organization of the society they lived in. The third discipline, the discipline of will, is in a sense the counterpart to the second, the discipline of action. The latter governs our approach to the things in our control, those that we do; the discipline of will governs our attitude to things that are not within our control, those that we have done to us (by others or by nature). We control our own actions and are responsible for them. If we act wrongly, then we have done serious harm to ourselves (though not, it should be emphasized, to others, or to the logos). By contrast, things outside our control have no ability to harm us. Acts of wrongdoing by a human agent (torture, theft, or other crimes) harm the agent, not the victim. Acts of nature such as fire, illness, or death can harm us only if we choose to see them as harmful. When we do so, we question the benevolence and providence of the logos, and thereby degrade our own logos. This, of course, we must not do. Instead we must see things for what they are (here the discipline of perception is relevant) and accept them, by exercising the discipline of will, or what Epictetus calls (in a phrase quoted by Marcus) "the art of acquiescence." For if we recognize that all events have been foreseen by the logos and form part of its plan, and that the plan in question is unfailingly good (as it must be), then it follows that we must accept whatever fate has instore for us, however unpleasant it may appear, trusting that, in Alexander Pope's phrase, "whatever is, is right." This applies to all obstacles and (apparent) misfortunes, and in particular to death -- a process that we cannot prevent, which therefore does not harm us, and which accordingly we must accept willingly as natural and proper.🏁