Julian Jaynes

Let no one think these are just word changes. Word changes are concept changes and concept changes are behavioral changes. The entire history of religions and of politics and even of science stands shrill witness to that. Without words like soul, liberty, or truth, the pageant of this human condition would have been filled with different roles, different climaxes. And so with the words we have designated as preconscious hypostases, which by the generating process of metaphor through these few centuries unite into the operator of consciousness.