haps more original than that upon 'Old Age,' but certainly is not so attractive to a modern reader. Its great merit is the grace and polish of the language; but the arguments brought forward to prove what an excellent thing it is for a man to have good friends, and plenty of them, in this world, and the rules for his behaviour towards them, seem to us somewhat trite and commonplace, whatever might have been their effect upon a Roman reader.
Cicero is indebted to the Greek philosophers for the main outlines of his theory of friendship, though his acquaintance with the works of Plato and Aristotle was probably exceedingly superficial. He holds, with them, that man is a social animal; that "we are so constituted by nature that there must be some degree of association between us all, growing closer in proportion as we are brought into more intimate relations one with another." So that the social bond is a matter of instinct, not of calculation; not a cold commercial contract of profit and loss, of giving and receiving, but the fulfilment of one of the yearnings of our nature. Here he is in full accordance with the teaching of Aristotle, who, of all the various kinds of friendship to which he allows the common name, pronounces that which is founded merely upon interest—upon mutual interchange, by tacit agreement, of certain benefits—to be the least worthy of such a designation. Friendship is defined by Cicero to be "the perfect accord upon all questions, religious and social, together with mutual goodwill and affection." This "perfect accord," it must be confessed, is a very large requirement. He follows his Greek
