No 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 SapirIt is quite an illusion to imagine that one adjusts to reality essentially without the use of language and that language is merely an incidental means of solving specific problems of communication or reflection.
Edward SapirNonverbal communication is an elaborate secret code that is written nowhere, known by none, and understood by all.
Edward SapirWhat fetters the mind and benumbs the spirit is ever the dogged acceptance of absolutes.
Edward Sapir