85% sureThese words were traced back to where they first appeared. That source is listed below.
What turned up
Saru mo ki kara ochiru (猿も木から落ちる). Classic Japanese proverb meaning even experts make mistakes. Cited to a published Japanese idiom dictionary.
Sources checked
en.wikiquote.orgChecked using claude-fable-5, 21 August 2026Cites Jeff Garrison, Japanese Idiom Dictionary, Kodansha International, p.491, ISBN 978-4-7700-2797-9
Nothing made from these words yet — Storyfaire is where they get made.
Confucius
