As a matter of fact, a national language which spreads beyond its own confines very quickly loses much of its original richness of content and is in no better case than a constructed language.
Edward SapirHuman 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 SapirBoth French and Latin are involved with nationalistic and religious implications which could not be entirely shaken off, and so, while they seemed for a long time to have solved the international language problem up to a certain point, they did not really do so in spirit.
Edward Sapir