Listen to this man. Anyone who studies a dead language for “real-world gain” will probably end up disappointed.
The only real reason to learn is so you can read old books in that language. And you might get a few points of social prestige, but that alone generally won't make up for the hours and years you put into it.
The only real reason to learn is so you can read old books in that language. And you might get a few points of social prestige, but that alone generally won't make up for the hours and years you put into it.