Ku and the Zuo Tradition. This paper examines evidence of the concept of ku in manuscripts from the Zuo Tradition. Ku refers to reasoning that is both rational and accounting for human nature and emotion. The presence and importance of ku is illustrated with examples from the original manuscript. 5 pgs. Bibliography lists 1 source. Pages: 5 Bibliography: 1 source(s) listed Filename: 7975 Ku Zuo Tradition.doc Price: 44.75