We absolutely must leave room for doubt or there is no progress and no learning.
Meaning
Feynman said doubt is not weakness but the engine of science, because certainty stops questions from being asked. Technology teams and learners alike improve by testing assumptions. When you feel sure about a plan, name one way it could be wrong and check it.
Source: The Pleasure of Finding Things Out (1999)
About the author
(1918–1988) was an American theoretical physicist known for his contributions to quantum mechanics. He was awarded the Nobel Prize in Physics in 1965. Feynman was also a gifted teacher and communicator, making complex ideas accessible. His work and lectures continue to inspire scientists and students. Richard Feynman’s legacy remains central to modern physics.
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