Then you might want to look deeper into his work. Regarding cognitive science, check the first entry from this list: http://web.mnstate.edu/schwartz/cogsci100.htm.

(If the link to his book is dead, you can check https://en.wikipedia.org/wiki/Syntactic_Structures directly if you prefer).

> Also: “It’s”?

Autocorrect typo, I fixed it.