I was doing a translation exercise when this phrase popped into my head. The English version is: The wisest fool knows he is a fool, but he is a fool nonetheless. I was writing some random sentences in French for translation: The French version for any francophones here is: L'imbécile le plus sage sait qu'il est un imbécile, mais il est un imbécile pourtant. I looked online for a while and only found matches for "the wisest fool." Has anyone heard this phrase before?