Skip to content

Certain knowledge Quote by René Descartes

“I was thus led to infer that the ground of our opinions is far more custom and example than any certain knowledge.” quote by René Descartes
Download Open image
““I was thus led to infer that the ground of our opinions is far more custom and example than any certain knowledge.””

René Descartes

About This Quote

Source Philosophical Treatise: "Discourse on the Method", 1637

Our beliefs are shaped more by customs and examples than by absolute certainty.

In simple terms: Beliefs stem from habit, not certainty.

Key Takeaway

Question the origins of your convictions.

Themes

knowledge custom certainty

Mood

thoughtful analytical

Type

philosophical inquisitive

When to use this quote

  • education
  • decision making
  • scientific research
  • personal reflection

Key Concepts

epistemology skepticism

Questions to Reflect On

  • What customs influence your opinions?
  • Can you identify a belief based on example rather than proof?
A Different Perspective

Customs can provide useful heuristics despite lacking certainty.

4.4 out of 5 (6 ratings)

More by René Descartes

Explore all 232 René Descartes quotes

More Certain knowledge quotes

Browse all 33 Certain knowledge quotes