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Care Quote by Baruch Spinoza

“We must take care not to admit as true anything, which is only probable. For when one falsity has been let in, infinite others follow.” quote by Baruch Spinoza
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“We must take care not to admit as true anything, which is only probable. For when one falsity has been let in, infinite others follow.”

Baruch Spinoza

About This Quote

Source Book: Ethics, Part I, 1677

We should only accept statements that are certain, because allowing a doubtful claim can lead to many more errors.

In simple terms: Accept only certain truths, avoid probable ones.

Key Takeaway

Be cautious with uncertain claims.

Themes

epistemology logic critical thinking

Mood

analytical skeptical

Type

philosophical cautionary

When to use this quote

  • scientific research
  • legal judgments
  • everymaking
  • education
  • media reporting

Key Concepts

certainty probability error propagation

Questions to Reflect On

  • How do you verify certainty?
  • When is it acceptable to act on probability?
A Different Perspective

Probabilities can be useful; dismissing them may hinder progress.

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