The document discusses several theories about the origins of human language:
1) Divine creation - that language was a gift from God and humans were born with the innate ability to use language.
2) Natural evolution - humans evolved a language acquisition device and vocalizations quickly developed into a creative linguistic system, perhaps providing an advantage over Neanderthals.
3) Invention hypotheses - early words developed from imitating sounds ("ding-dong"), emotional expressions ("pooh-pooh"), animal noises ("bow-wow"), or hand gestures ("ta-ta").
4) Early language was used for tasks like moving stones or war cries to stimulate collective effort ("yo-he-ho"). While early humans appeared 150,