Schiller, Hegel, and MarxAll three believed that the modern world could be remade according to this model, though none succeeded in his endeavor. At times Schiller seemed to recognize the failure of the model; in his mature writing Hegel dropped the model; and Marx, as he grew older, fundamentally modified the model. Nevertheless, focusing upong their attempts and failures allows an explanation of certain aspects of one of the fundamental concerns of current Marx studies: