In addition to the dream of flying, mankind has been imagining going to the moon for centuries, from Lucian of Samosata II B.C. to Elon Musk, although not always motivated by the same reasons. For Astolfo, in Ludovico Ariosto’s opera, going to the moon was the only way to recover Orlando’s lost wits. But once on the star, the interstellar traveller realises that he too has lost part of his reason. Here, in fact, are found ampoules with the reason of those on earth who, for one reason or another, have forgotten part of themselves.