 In the Da Zhuang lun, Ruan Ji describes the sage as a “person of ultimate attainment” (zhiren), whose profound understanding of the “equality” of things in the order of ziran naturally expresses itself in a simple yet fulfilled life. On a larger scale, this should translate into a peaceful and harmonious society. If nature had yielded an originally pristine order, how did it come to be infested with an army of “lice”? Ruan Ji provides a startling response in his “Biography of Master Great Man.”