When it is permitted one spirit and his partners to think anything evil or filthy, I have noticed that at once others of the same ilk are stirred up to whatever malice or filth it is. As a result also, souls and spirits expose what they are like, for on coming into a state without reflecting where they are, as if left to themselves, then they are at once aroused to such things and are recognized immediately for where they are, and what they are.