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 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 SapirA standard international language should not only be simple, regular, and logical, but also rich and creative.
Edward SapirA logical analysis of reflexive usages in French shows, however, that this simplicity is an illusion and that, so far from helping the foreigner, it is more calculated to bother him.
Edward Sapir