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[T]he human population is set not just for shrinkage but collapse—and soon. To paraphrase Lehrer, if we are going to write about human extinction, we’d better start writing now.

— Henry Gee Humans Are Doomed to Go Extinct (2021)

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More quotes by Henry Gee

The intervals of time that separate the fossils are so huge that we cannot say anything definite about their possible connection through ancestry and descent.

In Search of Deep Time (1999)

There is more genetic variation in a few troupes of wild chimpanzees than in the entire human population. Lack of genetic variation is never good for species survival.

Humans Are Doomed to Go Extinct (2021)

To take a line of fossils and claim that they represent a lineage is not a scientific hypothesis that can be tested, but an assertion that carries the same validity as a bedtime story—amusing, perhaps even instructive, but not scientific.

In Search of Deep Time (1999)

The cause of extinction is usually a delayed reaction to habitat loss. ...H. sapiens might ...already be a dead species walking.

Humans Are Doomed to Go Extinct (2021)

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Quote text and notes from Wikiquote: Henry Gee (page history), available under CC BY-SA 4.0. Source quality and labels are our own summary of what Wikiquote records.