The psychology of a language which, in one way or another, is imposed upon one because of factors beyond one's control, is very different from the psychology of a language which one accepts of one's free will.
Edward SapirEnglish, once accepted as an international language, is no more secure than French has proved to be as the one and only accepted language of diplomacy or as Latin has proved to be as the international language of science.
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 SapirThe spirit of logical analysis should in practice blend with the practical pressure for the adoption of some form of international language, but it should not allow itself to be stampeded by it.
Edward Sapir