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“The human understanding, when any preposition has been once laid down... forces everything else to add fresh support and confirmation; and although more cogent and abundant instances may exist to the contrary, yet it either does not observe them or it despises them, or it gets rid of and rejects…” quote by Francis Bacon
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“The human understanding, when any preposition has been once laid down... forces everything else to add fresh support and confirmation; and although more cogent and abundant instances may exist to the contrary, yet it either does not observe them or it despises them, or it gets rid of and rejects them by some distinction, with violent and injurious prejudice, rather than sacrifice the authority of its first conclusions.”

Francis Bacon

About This Quote

Human understanding clings to initial assumptions, dismissing contradictory evidence to protect its original conclusions.

In simple terms: Confirmation bias in reasoning

Key Takeaway

Preconceptions block new evidence

Themes

cognitive bias epistemology critical thinking psychology philosophy

Mood

skeptical reflective cautious

Type

aphorism observation philosophical statement

When to use this quote

  • scientific research
  • policy making
  • personal decision making
  • academic debate
  • media analysis

Key Concepts

confirmation bias authority bias closed-mindedness

Practical Applications

  • encouraging peer review
  • promoting open inquiry

Questions to Reflect On

  • How can we recognize when we are protecting a prior belief?
  • What strategies help us remain open to contradictory evidence?
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