68. Whenever the fluidic conditions are not proper for the spirit to communicate directly with the medium, the communication may occur through the intermediary of the latter s spirit guide. In this case, the thought only arrives second hand; that is, after having passed through two sources. Thus, one can understand how important it is for the medium to be well assisted because if he or she is assisted by an obsessor, ignorant or proud spirit, the communication will inevitably be altered.
Here, the medium's personal qualities truly perform an important role due to the nature of the spirits he or she attracts. The most unworthy mediums can possess powerful faculties, but the safest are those who combine such strength with the best affinities in the spirit world. Now, these affinities are in no way guaranteed by the impressive names that spirits might use or that they might take when signing communications, but by the consistently good nature of the communications obtained from them.