As far as the laws of mathematics refer to reality, they are not certain; and as far as they are certain, they do not refer to reality.

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About this quote

This line is strong for science, judgment, and decision-making. It reminds readers that truth is not owned by confidence; it is approached through patience, testing, and intellectual honesty.

When to use it

  • Use it when a decision needs evidence, honesty, and the courage to revise an old belief.
  • Keep it near research or analysis work as a reminder that truth is usually found through discipline, not certainty.
  • Return to it when being right is becoming less important than understanding what is real.