That's an interesting thought but language comprehension and language production are physically separate in the human brain and damage to one does not cause dam

That's an interesting thought but language comprehension and language production are physically separate in the human brain and damage to one does not cause damage to the other. People with damage to Broca's area may not be able to speak or write or even gesture comprehensibly but they can still understand what others say to them or what they read. With Wernicke’s Aphasia a person may not be able to understand words said to them but they can still speak although the words they speak are largely gibberish but they still maintain correct intonation, rhythm and even grammar. Importantly, they also maintain the ability to function normally in their lives. They can still make decisions about what to do, they can plan, they can understand events that don't involve language, in all other aspects besides language they are normal. That should be all you need to know to see that a human being doesn't solely consist of language. If you do a deeper dive into this you'll also find other cases such as Genie[0] where people with intact brains didn't initially acquire language and yet were still able to develop cognitively. We are fully capable of functioning without having a language, which makes sense if you think about it. The ability to understand language must necessarily precede the invention of a language in the same way that the ability to grasp a tool must precede the invention of the tool. [0] https://en.wikipedia.org/wiki/Linguistic_development_of_Genie https://en.wikipedia.org/wiki/Linguistic_development_of_Geni...