Sapir (1921)had earlier suggested that language are diverse in the way that they structure reality but had not fully developed the thesis that these linguistic differences might facilitate certain modes of thought. This was a position that Whorf developed in a series of articles from 1925 to 1941, many of which are included in Carroll (1956). The notion that language shapes thought patterns in commonly referred to as the Whorf hypothesis, although it is also called the Sapir-Whorf hypothesis. to acknowledge the role of Whorf's mentor.