Pharaonic silence turned to stone. Burial chamber in the pyramid of King Unas, last pharaoh of the Fifth Dynasty (2450 BCE). The walls are covered with pyramid texts.Architectural structures are treasuries of silence. “The colonnades of Greek temples are like boundary lines along silence.” Max Picard. Parthenon, Acropolis, Athens, Greece, 447–432 BCE. The architects of this temple were Ictinus, Callicrates, and Phidias.The contemplative serenity of architecture. Cistercian abbey at Le Thoronet, Var, France, 1176. Nave facing east. The abbey was a major source of inspiration for Le Corbusier.“The gentle murmur of silence” (Luis Barragán). Luis Barragán, El Muro Rojo (The Red Wall), Las Arboledas, Mexico City, 1958.The enveloping, soothing serenity of space. Peter Zumthor, Therme Vals, Canton of Graubünden, 1986/96–1992/96.