be one man, either good or bad. You must either cultivate your own ruling faculty, or external things; you must either exercise your skill on internal things or on external things; that is, you must either maintain the position of a philosopher or that of a common person.
XXX.
Duties are universally measured by relations (ταῖς σχέσεσι). Is a man a father? The precept is to take care of him, to yield to him in all things, to submit when he is reproachful, when he inflicts blows. But suppose that he is a bad father. Were you then by nature made akin to a good father? No; but to a father. Does a brother wrong you? Maintain then your own position toward him, and do not examine what he is doing, but what you must do that your will shall be conformable to nature. For another will not damage you, unless you choose: but you will be damaged then when you shall think that you are damaged. In this way, then, you will discover your duty from the relation of a neighbor, from that of a citizen, from that of a general, if you are accustomed to contemplate the relations.
XXXI.
As to piety toward the gods you must know that this is the chief thing, to have right opinions about them, to think that they exist, and that they administer the All well and justly; and you must fix yourself in this principle (duty), to obey them, and yield to them in everything which happens, and voluntarily to follow it as being accomplished by the wisest intelligence. For if you do so, you will never either blame the gods, nor will you accuse them of neglecting you. And it is not possible for this to be done in any other way than by withdrawing from the things which are not in our power, and by placing the good and the evil only in those things which are in our power. For if you think that any of the things which are not in our power is good or bad, it is absolutely necessary that, when you do not obtain what you wish, and when you fall into those things which you do not wish, you will find fault and hate those who are
