(1) According to Sapir, no two languages are so similar that they can be considered representatives of the same social reality; the worlds in which different societies live are different worlds, and not simply the same world with different labels.(2) no two languages can be considered representatives of the same social reality, no matter how similar they may be
(I. Magli & J. Sethre, Social Science)
(3) every language is so different from each other that they can not be considered representatives of the same social reality
In Sapir's opinion, language ... is a bridge between the individual and his culture; indeed, the real world itself is not entirely "given" in an objective manner, but is to a great degree constructed on the basis of the group's linguistic habits.
Source: Cultural Anthropology: An Introduction - Google Book Search
Interested in Language