"Some of our most common and comforting groups no longer exist if classifications must be based on cladograms [evolutionary branching diagrams] .... I regret to report that there is surely no such thing as a fish.”
-“What, If Anything, is a Zebra?” by Stephen Jay Gould, 1983
"To change the concept of category itself is to change our understanding of the world.”
-Women, Fire, and Dangerous Things, by George Lakoff, 1987
Sources: https://old.reddit.com/r/DilettanteryPodcast/comments/zcz9rd/41_to_think_we_must_split_up_the_world_a_history/?