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Age Quote by Louis Pasteur

“Virulence appears in a new light which cannot but be alarming to humanity; unless nature, in her evolution down the ages (an evolution which, as we now know, has been going on for millions, nay, hundreds of millions of years), has finally exhausted all the possibilities of producing virulent or…” quote by Louis Pasteur
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“Virulence appears in a new light which cannot but be alarming to humanity; unless nature, in her evolution down the ages (an evolution which, as we now know, has been going on for millions, nay, hundreds of millions of years), has finally exhausted all the possibilities of producing virulent or contagious diseases - which does not seem very likely.”

Louis Pasteur

About This Quote

Source Letter: Correspondence on Infectious Diseases, 1885

Virulence may seem alarming, but nature’s long evolution suggests truly new, unstoppable diseases are unlikely.

In simple terms: Nature’s history limits extreme new diseases.

Key Takeaway

Monitor but stay hopeful.

Themes

biology evolution disease

Mood

cautious informed

Type

scientific pragmatic

When to use this quote

  • pandemic preparedness
  • medical research
  • environmental monitoring
  • policy planning

Key Concepts

virology public health

Questions to Reflect On

  • How can we balance vigilance with optimism?
  • What safeguards reduce disease emergence?
A Different Perspective

Unexpected mutations can still arise despite trends.

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