There is more going on than what meets our eyes . . . Prevalent in the major works of Leonardo Da Vinci is 'phi' (also known as the Golden Ratio or the Golden Mean), a ratio of 1:1.618. This is found in nature and creation, and the Fibonacci sequence.
Cesare Borgia, "Duke Valentino". According to Machiavelli, a risk taker and example of "criminal virtue". Failed in the end because of one mistake: he was naive to trust a new pope.
Cesare Borgia Duc de Valentionois son of Pope Alexander VI and Vanozza dei Cattanei, 1518 by Dosso Dossi
Giulia Farnese (1474 – 23 March 1524) was mistress to Pope Alexander VI. She was known as Giulia la bella, meaning "Julia the beautiful" in Italian. Lorenzo Pucci described her as "most lovely to behold". Cesare Borgia, son of Alexander VI, described her as having "dark colouring, black eyes, round face and a particular ardour". en.wikipedia.org/...
Cesare Borgia, At age 18, Cesare became a Cardinal, while his older brother, Juan (who was also Rodrigo's favorite) became Captain General. Unsatisfied with his life as a Cardinal and jealous of his brother's position and power, he arranged to meet Juan at Tiber Island, where he convinced Juan to spend the night with the courtesan Fiora Cavazza, who later killed him under Cesare's orders.