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Science Quote by Charles Darwin

"I have called this principle, by which each slight variation, if useful, is preserved, by the term of Natural Selection"

About this Quote

Darwin isn’t just naming a mechanism here; he’s staging a rhetorical coup. “I have called this principle” has the calm, proprietary confidence of someone who knows he’s about to reorganize reality with a few restrained nouns. The phrase “each slight variation” does quiet damage to older habits of thought: no lightning-bolt transformations, no designed leaps, no grand blueprint. Just incremental differences, the kind you could miss if you weren’t looking for a pattern across generations. That smallness is the point. It makes evolution feel less like a speculative story and more like a patient audit of nature’s bookkeeping.

The subtext sits in “if useful” and “is preserved.” Usefulness replaces purpose. Preservation replaces providence. Darwin smuggles in a world where outcomes don’t need intention to look intentional. The verb choice is surgical: variations aren’t rewarded, they’re “preserved,” as if survival were an impersonal filing system rather than a moral drama. It’s also an argument about time disguised as a definition; only over long spans can “slight” changes accumulate into the kind of diversity Victorian readers saw as fixed and divinely ordered.

Context matters: Darwin is writing into a 19th-century culture steeped in natural theology, where complexity was commonly treated as evidence of design. “Natural Selection” is both a scientific term and a strategic metaphor, echoing selective breeding without crediting any breeder. The word “selection” flirts with agency, then denies it by making the selector “natural.” That tension is why the line lands: it offers readers a familiar frame, then quietly removes the human hand.

Quote Details

TopicScience
SourceCharles Darwin, On the Origin of Species (1859), chapter 4 "Natural Selection" — original text contains this sentence.
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I have called this principle, by which each slight variation, if useful, is preserved, by the term of Natural Selection
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Charles Darwin

Charles Darwin (February 12, 1809 - April 19, 1882) was a Scientist from England.

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