It's not just the religious instant of looking down at San Narciso; it's the religious sense of the capitalized Word that comes back a couple of times towards the end of the novel, the epileptic Word.

这还是在书的尾端;,出现了很多次的大写的“Word“,癫痫的“Word“,大写的“Word“指的是。

耶鲁公开课 - 1945年后的美国小说课程节选