33. Once removed from the arena of the extraordinary, these phenomena are in no way repugnant to reason, because they may be placed alongside all other natural phenomena. In the ages of ignorance, all effects whose causes were not understood were regarded as supernatural. A string of scientific discoveries narrowed the circle of the extraordinary; the knowledge of this new law has reduced it to nothing. Therefore, those who accuse Spiritism of having resuscitated the extraordinary demonstrate that they are talking about something they know nothing about.