Comparison of statements made at different periods frequently enable us to give maximal and minimal dates to the appearance of a cultural element or to assign the time limits to a movement of population.
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 SapirThe fact of the matter is that the 'real world' is to a large extent unconsciously built up on the language habits of the group.
Edward SapirIt would be naรฏve to imagine that any analysis of experience is dependent on pattern expressed in language. Any concept, whether or not it forms part of the system of grammatical categories, can be conveyed in any language. If a notion is lacking in a given series, it implies a different configuration and not a lack of expressive power.
Edward Sapir