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“Herrmann Pidoux and Armand Trousseau stated 'Disease exists within us, because of us, and through us', Pasteur did not entirely disagree, 'This is true for certain diseases', he wrote cautiously, only to add immediately: 'I do not think that it is true for all of them'.” quote by Louis Pasteur
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“Herrmann Pidoux and Armand Trousseau stated 'Disease exists within us, because of us, and through us', Pasteur did not entirely disagree, 'This is true for certain diseases', he wrote cautiously, only to add immediately: 'I do not think that it is true for all of them'.”

Louis Pasteur

About This Quote

Source Speech: Pasteur's correspondence, 1860s

Disease is partly caused by internal factors, but not all illnesses fit this view.

In simple terms: Some diseases arise from within, others not.

Key Takeaway

Consider both internal and external causes of illness.

Themes

health biology causation

Mood

thoughtful analytical

Type

scientific philosophical

When to use this quote

  • clinical diagnosis
  • public health policy
  • patient education

Key Concepts

pathogenesis holistic view

Questions to Reflect On

  • How do we balance internal vs external disease causes?
  • What evidence challenges this view?
A Different Perspective

Not all diseases are solely internal; environmental factors matter.

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