English, 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 Sapir

The modern mind tends to be more and more critical and analytical in spirit, hence it must devise for itself an engine of expression which is logically defensible at every point and which tends to correspond to the rigorous spirit of modern science.

Edward Sapir

Cultural anthropology is more and more rapidly getting to realize itself as a strictly historical science.

Edward Sapir