Simplicity is the ultimate sophistication– Leonardo da Vinci I once saw Leonardo da Vinci’s “The Last Supper.” Then it was still possible to wander into the UNESCO World Heritage site of the Church and Dominican Convent of Santa Maria delle Grazie in Milan and see the mural. What do I remember? The silence. The profound mystery. To weep at such majesty would be sentimental. As Leonardo himself said “Tears come from the heart and not from the brain.” Leonardo paints the most dramatic moment in time, without drama. All is contained within the strictures of mathematical perspective. These days the room in which “The Last Supper” stands is” hermetically sealed. One has to go through two sets of doors to enter and everything closes promptly behind one. The 15-minute time period for observation and picture-taking is strict. One cannot take a video of the painting. Leonardo Da Vinci’s “Last Supper” is a huge painting, about  29 feet wide, …