The people of your world became so stupid and rude that my companions and I no longer enjoyed teaching them. You must surely have heard of us: we were called oracles, nymphs, spirits, fairies, household gods, lemures, larvas, lamias, sprites, water-nymphs, incubi, shades, spirits of the dead, specters and ghosts.
"The Other World: Comical History of the States and Empires of the Moon". Book by Cyrano de Bergerac, 1657.
