There was also one who kept on saying only, "I am silent," and "I am speaking," and this quite frequently. Upon being asked what this was, he gave no other reply. But I heard from others that he had been let into sleep, and I was taught that some are let into these sleeps and undergo purgings by means of dreams, perhaps also by short awakenings, until they are rid of the fantasies they had carried with them. 1747, the 30th day of December.