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Would it be too bold to imagine that, in the great length of time since the earth began to exist, perhaps millions of ages before the commencement of the history of mankind would it be too bold to imagine that all warm-blooded animals have arisen from one living filament, which the great First Cause endued with animality, with the power of acquiring new parts, attended with new propensities, directed by irritations, sensations, volitions and associations, and thus possessing the faculty of continuing to improve by its own inherent activity, and of delivering down these improvements by generation to its posterity, world without end!

Erasmus Darwin#5

BiologyEvolutionScience

About this quote

What does it mean?
All animals may have descended from a single organism that improved itself over time.
In plain terms
Life might have started from one thing that changed and got better over ages.
What can you take from it?
All life could share a common origin and improve through time.

Where it applies

  • scientific history
  • philosophy of nature
  • biology essays

Putting it to work

  • explore origins of life
  • study evolutionary theory
  • read scientific history

Questions to consider

  • Where did life come from?
  • How do species change over time?

Another view

The hypothesis relies on imagination rather than empirical evidence available at the time.

More from Erasmus Darwin

  1. Organic life beneath the shoreless waves Was born and nurs'd in ocean's pearly caves; First forms minute, unseen by spheric glass, Move on the mud, or pierce t…

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  2. For if we may compare infinities, it would seem to require a greater infinity of power to cause the causes of effects, than to cause the effects themselves. Th…

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  3. No radiant pearl which crested Fortune wears, No gem that twinkling hangs from Beauty's ears, Not the bright stars which Night's blue arch adorn, Nor rising su…

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