The language of men was involved with only one hemisphere in order to leave the other free for the language of the gods. - Julian Jaynes

Reading in the third millennium B.C. may therefore have been a matter of hearing the cuneiform, that is, hallucinating the speech from looking at its picture symbols, rather than visual reading of syllables in our sense.

Consciousness is a much smaller part of our mental life than we are conscious of, because we cannot be conscious of what we are not conscious of.

The bicameral mind with its controlling gods was evolved as a final stage of the evolution of language. And in this development lies the origin of civilization.