BOOK II CHAPTER IV OF PERSONAL VIRTUE AND DUTY Of virtuous action.-Of a Virtuous agent.-Capacity-in inanimate substances -in man.-Inference.-Of benevolent error.-Nature of vise.-Illustrations.-Mutability of the principle of belief.- Complexity in the operation of motives -Deduction.-Of duty.-It is never our duty to do wrong. THERE are two subjects, of the utmost importance to a just delineation of the principles of society, which are, on that account, entitled to a separate examination: the duties incumbent on men living in society, and the rights accruing to them. These are merely different modes of expressing the principle of justice, as it shall happen to be considered in its relation to the agent or the patient. Duty is the treatment I am bound to bestow upon others; right is the treatment I am entitled to expect from them. This will more fully appear in the sequel. First, of personal virtue and...