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The extent to which beliefs are based upon evidence is…

“The extent to which beliefs are based upon evidence is very much less than believers suppose. Take the kind of action which is most nearly rational: the investment of money by a rich City man. You will often find that his view (say) on the question whether the French franc will go up or down…” quote by Bertrand Russell
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““The extent to which beliefs are based upon evidence is very much less than believers suppose. Take the kind of action which is most nearly rational: the investment of money by a rich City man. You will often find that his view (say) on the question whether the French franc will go up or down depends upon his political sympathies, and yet is so strongly held that he is prepared to risk money on it.””

Bertrand Russell

About This Quote

This interpretation was drafted with AI assistance. It is one reading of the quote, not the author's own explanation.

Beliefs often ignore evidence, and rational actions are compromised by bias and self‑interest.

In simple terms: People ignore facts and act irrationally.

Key Takeaway

Question your assumptions and seek evidence.

Themes

bias evidence rationality politics economics

Mood

skeptical critical analytical

Type

philosophical political

When to use this quote

  • investment decisions
  • policy making
  • personal finance
  • public discourse

Key Concepts

confirmation bias cognitive dissonance financial incentives

Questions to Reflect On

  • How do your political views shape your financial choices?
  • What evidence would change your belief?
A Different Perspective

Even rational actors can be swayed by ideology, limiting objectivity.

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