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 SapirThe attitude of independence toward a constructed language which all national speakers must adopt is really a great advantage, because it tends to make man see himself as the master of language instead of its obedient servant.
Edward SapirIn a sense, every form of expression is imposed upon one by social factors, one's own language above all.
Edward Sapir