Iš didelio rašto išėjo iš krašto.
Meaning, sorta, "(Someone) has become so very literate that others no longer understand them / they no longer understand others / things / life".
I wonder if any proverbs of this kind exist in other languages. Would you share, folks? Thank you!
I suppose I should add our Language Board seem to be too literate to understand the mother tongue. It would be OK but for literature, and especially translated literature, maimed because of the enormous literacy.