Cultural anthropology is more and more rapidly getting to realize itself as a strictly historical science.
Edward SapirA common creation demands a common sacrifice, and perhaps not the least potent argument in favour of a constructed international language is the fact that it is equally foreign, or apparently so, to the traditions of all nationalities.
Edward SapirIt would, of course, be hopeless to attempt to crowd into an international language all those local overtones of meaning which are so dear to the heart of the nationalist.
Edward SapirWere a language ever completely "grammatical" it would be a perfect engine of conceptual expression. Unfortunately, or luckily, no language is tyrannically consistent. All grammars leak.
Edward Sapir