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About this quote

What does it mean?
Careful scrutiny of evidence can reverse initial conclusions about truth.
In plain terms
Looking closely at an experiment can show the opposite of what you thought.
What can you take from it?
Always re-examine data before accepting conclusions.

Where it applies

  • scientific research
  • decision making
  • debate

Putting it to work

  • rechecking results
  • questioning assumptions

Questions to consider

  • What have you discovered was wrong?
  • How do you verify facts?

Another view

Some truths are obvious and do not require deep re-examination.

More from Galileo Galilei

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  3. Alas! Your dear friend and servant Galileo has been for the last month hopelessly blind; so that this heaven, this earth, this universe, which I by my marvelou…

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