Everyone looks retarded once you set your mind to it.

The line is a darkly comic observation about perception and confirmation bias: if you decide in advance that people are foolish, you will interpret their ordinary mistakes, quirks, or awkward moments as proof. Sedaris’s humor often turns on the narrator’s sharp, judgmental inner monologue, exposing how quickly contempt can be manufactured and how little evidence it needs. Read this way, the joke doubles as self-indictment: the speaker’s “mind” is the real problem, not everyone else. It also hints at the social cruelty of labeling—how an attitude can reduce complex individuals to a single demeaning category.