Language and culture,Sapir contends,are separate from each other,Contrary to conventionalbelief,language is not an expression of "national temperament,"or of racial or geograhic influences,and is not an inherited skill.Among theseare the units of language (i.e.,the word with its "radical" and "grammatical" parts),grammatical concepts and their origins,howlanguages differ and resemble one another,and the history of the growth of representative languages.Written more than fifty yearsago,language s