Language would have evolved first as an internal object, a kind of "language of thought" (LOT), with externalisation (hence communication) an ancillary process. I can't review here the strong and growing evidence to support this conclusion, but I have elsewhere. There are ample reasons why having a LOT would confer selectional advantage: the person so endowed could plan, interpret, reflect, etc., in ways denied to others.
Noam ChomskyThe person who wins the Nobel Prize is not the person who read the most journal articles and took the most notes on them. It's the person who knew what to look for. And cultivating that capacity to seek what's significant, always willing to question whether you're on the right track - that's what education is going to be about, whether it's using computers and the Internet, or pencil and paper, or books.
Noam ChomskyNo one seriously doubts that if Piraha children are brought up in Boston they'll be speaking Boston English, that is, that the capacities are present, unlike other animals, as far as is known. There's no challenge to the theory - not mine, but everyone's - that the human language faculty provides the means for generation of an infinite array of structured expressions.
Noam ChomskyWhat is important to us is to reverse the shameful course being pursued by America. It won't be easy, but it must and can be done.
Noam ChomskyIn the case of [Antonio] Gramsci, the Fascist government agreed that he was a "model intellectual" in [Edward] Said's sense, and for that reason determined, in their words, that "we must stop this brain from functioning for twenty years."
Noam Chomsky