Language enables self-consciousness by separating individuals from their environment. [causal]
Language is freedom also because it makes possible a consciousness of self among individual members of the species: a consciousness, that is, of one's separation from the physical and biological environment.
DEFINE: Defines how language creates self-awareness through a sense of separation from the physical world.
Lyn H. Lofland, World of Strangers_ Order a…, loc. 86