“…Alberti's reflections fit within the specific context of his architectural treatise, in which he attempts to define beauty and ornament, as well as their interrelationship, and to prescribe how they are obtained in building. 51 Cortesi's design rules for the exterior ornament of the cardinal's residence are of a more practical nature, in that they are formulated with 49 "Ornamentum quasi subsidiaria quaedam lux pulchritudinis atque veluti complementum": Alberti, 1966, 2:449; English translation from Alberti, 1988, 156. 50 De Raedt, 2018;Hills;Westfall;Bialostocki. 51 Especially Van Eck;Biermann, a specific purpose in mind: to ensure the stability of the cardinal's sociopolitical position in Rome.…”