Ernst Mayr Quotes About Earth

• The issue, as correctly emphasized by Carl Sagan, is the probability of the evolution of high intelligence and an electronic civilization on an inhabited world. Once we have life (and almost surely it will be very different from life on Earth), what is the probability of its developing a lineage with high intelligence? On Earth, among millions of lineages of organisms and perhaps 50 billion speciation events, only one led to high intelligence; this makes me believe in its utter improbability.

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• Evolution as such is no longer a theory for a modern author. It is as much a fact as that the earth revolves around the sun.

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  Ernst Mayr

  Ernst Mayr (2007). “What Makes Biology Unique?: Considerations on the Autonomy of a Scientific Discipline”, p.100, Cambridge University Press

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• On Earth, among millions of lineages or organisms and perhaps 50 billion speciation events, only one led to high intelligence ; this makes me believe its utter improbablity.

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  Ernst Mayr

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