And finally, we may say that it is time to recognize that since each one of the “seven ages of man” has its own particular mental and physical characteristics, so likewise does each of these ages have its own particular virtues. Too long have parents whispered themselves into the belief that the child ought to strive to copy the man, for the result of this unconscious egotism has only forced such parents to discover that when their child has grown up, they immediately wanted him to be an infant again! But it is becoming recognized among those who learn to look at the world without such an exaggerated self-preference, that every phase of life,—infancy, puberty, youth, manhood, middle-age, maturity, and senescence,—brings with it ever new ethical opportunities in the appearance of traits peculiar to each phase, and that it is in the development of these various potentialities into their own natural end-product that the ultimate ethical values consist. _Is Vice the Opposite of Virtue?_ It now remains to be seen what the word “vice” means, first by scanning the uses to which it is popularly put, and second, by reference to its physiological implications. Accordingly, then, we find the following general classes of things called vices. Any fault, mistake, or error may be called a vice, as, for instance, a “vice of method.” This signification is practically identical with one use of the term “bad.” (E. g., bad workmanship, defective, below par; sometimes called poor or worthless.) Likewise, any imperfection, defect, or blemish falls under this category, as “a vice of conformation,” “a vice of literary style.” Here again this use of the concept may be identified with some of the significations of “bad” and “wrong.” These first two classes of vice may be related to one another in the sense that the first is the cause, and the latter the effect,—the erroneous (vicious) method producing the blemish (vice) in the product. In our third class are found the significations most commonly implied by this concept today, namely, those habits or actions contrary to public policy, and especially those which arouse violent censure. Such are gluttony, indolence, mendacity, drunkenness, debauchery, and the like, which might also be included in any complete list of the things which are called “bad,” “evil,” and “wrong.” The peculiarly specific element which enters here, however, is the damage to the organism which these vices entail. Sometimes, also, this concept is used in the expression, “an age of vice,” a phrase which denotes a period of time in which these censured practices are extremely prevalent, or given particular notice. The term “vice” is also used in describing animals not thoroughly trained, as when it is said: “That bird-dog has the vice of mouthing the quarry,” or “I must break this horse of his vice of cribbing.” Formerly, indeed, some inherited bodily defects were spoken of as “constitutional vices,” but this use of the term is now rare.