We are in a time when, fortunately, one can publicly talk about esoteric issues, in the light of day or in the darkness of the night. However, it has not always been this way. For example, consider the Middle Ages with its famous Inquisition, which some attribute to Gregory IX and others to Saint Dominic. In any case, the Inquisition was awful. This does not mean that in the Middle Ages there was no esotericism; indeed, there was, and it was extraordinary. Let us recall Heinrich Cornelius Agrippa, Phillippus Theophrastus Bombastus von Hohenheim (Aureolus Paracelsus) and also, not the least, the famous Dr. Faust (enchanter and magician). […]