and wiser? Irrefutable for him is the evidence of a guardian of the peace, once his humanity be abstracted, and he conceived as a registered number, and according to the categories of an ideal police. Not that Matra (Bastien), born at Cinto-Monte in Corsica, appears to him incapable of error. He never thought that Bastien Matra was gifted with any great faculty of observation, nor that he applied any secret and vigorous method to the examination of facts. In truth it is not Bastien Matra he is considering, but Constable 64. A man is fallible, he thinks. Peter and Paul may be mistaken. Descartes and Gassendi, Leibnitz and Newton, Bichat and Claude Bernard were capable of error. We may all err and at any moment. The causes of error are innumerable. The perceptions of our senses and the judgment of our minds are sources of illusion and causes of uncertainty. We dare not rely on the evidence of a single man: Testis unus, testis nullus. But we may have faith in a number. Bastien Matra, of Cinto·Monte, is fallible. But Constable 64, when abstraction has been made of his humanity, cannot err. He is an entity. An entity has nothing in common with a man, it is free from all that confuses, corrupts and deceives men. It is pure, unchangeable and unalloyed. Wherefore
