I Type, Therefore I Am | Aeon

At some point in the past two million years, give or take half a million, the genus of great apes that would become modern humans crossed a unique threshold. Across unknowable reaches of time, they developed a communication system able to describe not only the world, but the inner lives of its speakers. They ascended — or fell, depending on your preferred metaphor — into language.

via I Type, Therefore I Am | Aeon.