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About this quote

What does it mean?
Probability is based on principles, but certainty requires factual evidence.
In plain terms
Facts prove truth; principles only suggest likelihood.
What can you take from it?
Facts are more certain than theories.

Where it applies

  • scientific research
  • legal arguments
  • debates

Putting it to work

  • verify facts before concluding
  • distinguish probability from truth

Questions to consider

  • How do we know what is certain?
  • What is the role of probability in truth?

Another view

Sometimes principles provide guidance when facts are unavailable.

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