The Germans Have a Word for Everything

It's "alles". *snickers evilly*

Tom: You know, Bart, the whale isn't really a fish, it's a mammal.

Pepi: (overhearing) Is that true, Uncle Homer?

Homer: Pffft. No.

Apparently, here Homer is exercising his umwelt, the human tendency for instinctive taxonomy. OK, so that's a reductio ad absurdem. This isn't. See also.