Evolution Quote by Ronald Fisher
“Natural selection is a mechanism for generating an exceedingly high degree of improbability.”
About This Quote
Source Book: The Genetical Theory of Natural Selection, 1930
Natural selection creates highly unlikely complex forms through cumulative small changes over time.
In simple terms: Evolution builds complexity from simple steps.
Key Takeaway
Embrace gradual change.
Themes
evolution
probability
complexity
Mood
thoughtful
analytical
Type
scientific
educational
When to use this quote
- biodiversity conservation
- medical research
- environmental policy
- education on evolution
Key Concepts
genetics
selection pressure
Questions to Reflect On
- How does randomness influence evolution?
- Can small changes lead to large impacts?
A Different Perspective
Complex systems may also be shaped by random events, not just selection.
![“[Coining the phrase "test of significance"] Critical tests of this kind may be called tests of significance, and when such tests are available we may discover whether a second sample is or is not significantly different from the first.” quote by Ronald Fisher](https://sms4smile.com/quotes/img-quotes/ddb/ronald-fisher-14852_available_coining-the-phrase-test-of-significance_46951.jpg)
![“Perhaps no order of mammals presents us with so extraordinary a series of gradations as this [step by step, from humans to apes to monkeys to lemurs] - leading us insensibly from the crown and summit of the animal creation down to creatures, from which there is but a step, as it seems, to the…” quote by Thomas Huxley](https://sms4smile.com/quotes/img-quotes/f0b/thomas-huxley-1183_animal_perhaps-no-order-of-mammals-presents-us_3051.jpg)
