Abstract: The Sound and the Fury, William Faulkner’s masterpiece as well as his favorite work, depicts a story about the downfall of the Compsons, a southern aristocratic family. Structurally, the novel falls into four parts narrated by four characters with Benjy, the idiot son of the Compsons being the first narrator. This paper has divided those around Benjy into two groups: one group giving Benjy love and care represented by Caddy and Dilsey, the other bringing indifference and misery to Benjy represented by Mrs. Compson and Jack. By analyzing the two groups’ contrasting treatment of Benjy and the latter’s consequent responses, this paper concludes that Benjy actually works like a prism, through which good and evil in humanity are clearly reflected. 

Key words: The Sound and the Fury, Benjy, prism, good, evil 

摘要：《喧哗与骚动》是威廉·福克纳的成名作，也是他本人最喜欢的作品。这部小说描述了南方贵族康普生家族的衰败过程。小说在结构上分为四个部分，分别由四个人物来讲述，第一部分的讲述者是康普生家的痴呆儿子班吉。本篇论文将班吉身边的人分成了两派：一派以带给班吉爱与照顾的凯蒂和迪尔西为代表、另一派则以带给班吉冷漠与悲苦的康普生太太和杰生为代表。通过分析这两派人对待班吉截然相反的方式以及班吉相应作出的回应，本文认为班吉实际上犹如一面三棱镜，通过这面三棱镜人性的善与恶被清晰地折射了出来。

关键词：《喧哗与骚动》；班吉；三棱镜；善；恶