E.B. White
The Door Fiction

Everything (he kept saying) is something it isn’t. And everybody is always somewhere else. Maybe it was the city, being in the city, that made him feel how queer everything was and that it was something else. Maybe (he kept thinking) it was the names of the things. The names were tex and frequently koid. Or they were flex and oid or they were duroid (sani) or flexsan (duro), but everything was glass (but not quite glass) and the thing that you touched (the surface, washable, crease-resistant) was rubber, only it wasn’t quite rubber and you didn’t quite touch it but almost. The wall, which was glass but thrutex, turned out on being approached not to be a wall, it was something else, it was an opening or a doorway—and the doorway (through which he saw himself approaching) turned out to be something else, it was a wall. And what he had eaten not having agreed with him.

...