" When Christianity proscribed the public exercise of the ancient worships, the partisans of the latter were compelled to meet in secret for the celebration of their mysteries. Initiates presided over these assemblies and soon established a kind of orthodoxy among the varieties of persecuted worships, this being facilitated by the aid of magical truth and by the fact that proscription unites wills and forges bonds of brotherhood between men. "

― Éliphas Lévi , Transcendental Magic: Its Doctrine and Ritual