sentences:  His work repeatedly touches on the themes of martyrdom, everlasting tradition, and resistance to materialism and urban life.Unlike many other authors who lived through the Cultural Revolution and regret the chaos it created in their lives, even Zhang's early works such as "Rivers of the North" and "Black Steed" exhibit a noticeable level of idealism about his time as a Red Guard, and clearly demonstrate his desire to rebut the presumptions of scar literature.Analyses of Zhang's impact on Chinese literature and thought vary greatly.