"It is not always obvious that metaphor has played this all-important function. But this is because the concrete metaphiers become hidden in phonemic change, leaving the words to exist on their own. Even such an unmetaphorical-sounding word as the verb 'to be' was generated from a metaphor. It comes from the Sanskrit bhu, “to grow, or make grow,” while the English forms 'am' and 'is' have evolved from the same root as the Sanskrit asmi, “to breathe.” It is something of a lovely surprise that the irregular conjugation of our most nondescript verb is thus a record of a time when man had no independent word for 'existence' and could only say that something 'grows' or that it “breathes."

“Such trade was not, however, a true market. There were no prices under the pressures of supply and demand, no buying and selling, and no money. It was trade in the sense of equivalences established by divine decree. There is a complete lack of reference to business profits or loss in any of the cuneiform tablets that have been so far translated.”

“Reflections on the Dawn of Consciousness: Julian Jaynes's Bicameral Mind Theory Revisited”

“Indeed, it is sometimes almost as if the problem had to be forgotten to be solved.”

“It is by metaphor that language grows.”

“The central assertion of this view, I repeat, is that each new stage of words literally created new perceptions and attentions, and such new perceptions and attentions resulted in important cultural changes which are reflected in the archaeological record.”

“We can only know in the nervous system what we have known in behavior first.”