Human beings do not live in the objective world alone, nor alone in the world of social activity as ordinarily understood, but are very much at the mercy of the particular language which has become the medium of expression for their society.
Edward SapirNo important national language, at least in the Occidental world, has complete regularity of grammatical structure, nor is there a single logical category which is adequately and consistently handled in terms of linguistic symbolism.
Edward SapirIn a sense, every form of expression is imposed upon one by social factors, one's own language above all.
Edward SapirA firm, for instance, that does business in many countries of the world is driven to spend an enormous amount of time, labour, and money in providing for translation services.
Edward Sapir