From the time of his central Asian conquests, we have one of the few written descriptions of Genghis Khan, who was about sixty years old. The Persian chronicler Minhaj al-Siraj Juzjani, who was far less kindly disposed toward the Mongols than the chronicler Juvaini, described him as “a man of tall stature, of vigorous build, robust in body, the hair on his face scanty and turned white, with cats’ eyes, possessed of dedicated energy, discernment, genius, and understanding, awe-striking, a butcher, just, resolute, an overthrower of enemies, intrepid, sanguinary, and cruel.”