[...] language is an essentially perfect means of expression and communication among every known people.
- Sapir (1933a), a pag.7

[...] language is primarily a system of phonetic symbols for the expression of communicable thought and feeling.
- Sapir (1933a), a pag.7

Language is not merely articulated sound ; its significant structure is dependent upon the uncoscious selection of a fixed number of "phonetic stations" or sound units.
- Sapir (1933a), a pag.7

Language is heuristic, [...] in the [...] sense that its forms predetermine for us certain modes of observation and interpretation.
- Sapir (1933a), a pag.10

[...] language [...] does not [...] stand apart from or run parallel to direct experience but completely interpenetrates with it.
- Sapir (1933a), a pag.11

[...] language is rarely a purely referential organization [...]
- Sapir (1933a), a pag.12

[...] language is a perfect symbolism of experience [...]
- Sapir (1933a), a pag.12

[...] language is primarily a vocal actualization of the tendency to see realities symbolically [...]
- Sapir (1933a), a pag.15