5505. Those from the middle, who were in the knowledges of truth and good from the Word, were sent thither to all these - who were preserved there for a long time, as in a school - from different altitudes there. Wherefore, the places there, in the middle, were many times cleansed from the evil - those, namely, who were [only] in the pretence of good and truth, and yet have betaken themselves thither. Of such ones the middle region was, also, formerly purged in various ways, through a long time; for only those who were in knowledges, and the good who instructed the simple-minded of the Catholic communion, were intermingled with them.