As a result of his contact with those who speak the language...

As a result of his contact with those who speak the language as their mother tongue, he will get an insight into the language like them. In contrast a man who is not living in the society of those who speak the language -as their mother tongue, but wants to become conversant with its correct usages, has no alternative but to refer to its grammar and composition. He will have to acquire the ability of deriving its general rules. Take the case of Arabic language.

In the beginning the Arabs had to make no effort to learn it, for they lived in a predominantly Arab society. But later when their atmosphere changed and with the entry of other languages into their life,