In Chelm, "learned" (you know, the two-syllable version, "LEARN-ed") doesn't always mean as wise as we might think.
[Note: as the book's introduction explains, Mendel the Messenger, despite his speech impediment, is as beloved and "normal" as his fellow Chelmites; it is just a part of who our friend is.]
From "Tales of The Wise Fools of Chelm," available on Amazon.com in paperback and Kindle. https://amzn.to/3VpWj7y