Hightower breaks the self-fetters, and he tries to sacrifices himself to save Joe Christmas.Finally, what Joe Christmas pursues is not his identity as a black or a white but to be a true human being.

• 光明象征着人类美德，人性善良的流露，如莉娜人格的完整性，海托华走出自我封闭，灵魂苏醒，乔的真正追求以及乔安娜肯于自我牺牲对黑人做出奉献等。