Edward Sapir,
Language: An Introduction to the Study of Speech
“ There is perhaps no better way to learn the essential nature of speech than to realize what it is not and what it does not do. Its superficial connections with other historic processes are so close that it needs to be shaken free of them if we are to see it in its own right. Everything that we have so far seen to be true of language points to the fact that it is the most significant and colossal work that the human spirit has evolved—nothing short of a finished form of expression for all communicable experience. ”
