I shall not dwell, then, on the conjectures of men who ‘know not what they say’ concerning the nature and origin of the human race. There are, for example, those who hold the opinion that men—like the universe—have always existed. Thus, Apuleius, in his account of the human race, observes: ‘Individually they are mortal but all together as a race they are immortal.’1 Suppose the following questions are put to these men: If the human race has always existed, how, then, do you vindicate the