“Anyway, I would not be happy to see a beautiful, well-proportioned woman, no matter from which point of view, however extravagant, not only lose her beauty in order to, I would say, increase in size according to the law of vision, but no longer appear beautiful, and, in fact, become monstrous.”

Quote from the marginalia, which El Greco inscribed in his copy of Daniele Barbaro's translation of Vitruvius' De architectura; as quoted by Liane Lefaivre and Alexander Tzonis, The Emergence of Modern Architecture: A Documentary History from 1000 to 1810 https://books.google.com/books?id=4xB9k7-Neb8C&pg=PT184; Routledge, New York, 2004) p. 165