Again and again Quote by Galileo Galilei
“Some, merely to contradict what I had said, did not scruple to cast doubt upon things they had seen with their own eyes again and again.”
About This Quote
Source Treat: Dialogue on scientific skepticism, 1632
People will doubt even what they have personally witnessed if they are inclined to contradict, showing the stubbornness of bias.
In simple terms: Bias can make people reject their own observations.
Key Takeaway
Recognize and challenge personal bias.
Themes
skepticism
bias
observation
Mood
thoughtful
critical
Type
philosophical
analytical
When to use this quote
- Scientific debate
- education
- media literacy
Key Concepts
Cognitive bias
confirmation bias
Questions to Reflect On
- Why do we sometimes reject what we see?
- How can we encourage open‑mindedness?
A Different Perspective
People may cling to contradictions despite evidence.
![“Among the great men who have philosophized about [the action of the tides], the one who surprised me most is Kepler. He was a person of independent genius, [but he] became interested in the action of the moon on the water, and in other occult phenomena, and similar childishness.” quote by Galileo Galilei](https://sms4smile.com/quotes/img-quotes/96d/galileo-galilei-2377_action_among-the-great-men-who-have-philosophiz_131150.jpg)
