If language can be said to be definitely 'localized' in the brain, it is only in that general [...] sense in which all aspects of consciousness, all human interest and activity, may be said to be 'in the brain.'
- Sapir (1921), a pag.11

The elements of language [...] must [...] be associated with [...] delimited classes, of experience [...]. Only so is communication possible, for the single experience lodges in an individual consciousness and is [...] incommunicable.
- Sapir (1921), a pag.12

Language may be looked upon as an instrument capable of running a gamut of psychic uses. Its flow not only parallels that of the inner content of consciousness, but parallels it on different levels, ranging from the state of mind that is dominated by particular images to that in which abstract concepts and their relations are alone at the focus of attention and which is ordinarily termed reasoning.
- Sapir (1921), a pag.14

Linguistic experience, both as expressed in standardized, written form and as tested in daily usage, indicates overwhelmingly that there is not, as a rule, the slightest difficulty in bringing the word to consciousness as a psychological reality.
- Sapir (1921), a pag.34

The volitional aspect of consciousness also is to some extent explicitly provided for in language.
- Sapir (1921), a pag.38

[...] most words, like practically all elements of consciousness, have an associated feeling-tone [...]
- Sapir (1921), a pag.39

Back of the purely objective system of sounds that is peculiar to a language [...] there is a more restricted 'inner' or 'ideal' system which, while perhaps equally unconscious as a system to the naïve speaker, can [...] be brought to his consciousness as a finished pattern, a psychological mechanism.
- Sapir (1921), a pag.55

[...] the acoustic quality of a sound is dependent on the articulation, even though in linguistic consciousness this quality is the primary, not the secondary, fact.
- Sapir (1921), a pag.46