> I just can't imagine one has to go through all those books to be proficient in one language. I don't know if you know the meaning of "proficiency", but if y

> I just can't imagine one has to go through all those books to be proficient in one language. I don't know if you know the meaning of "proficiency", but if you are trying to argue that it takes work to become an expert in a subject then it seems you aren't aware of what being an expert actually entails. Moreover, Those books appear to be a lot mainlyl because the subjects covered by half of them actually overlap.