Permit us to question — to doubt, that's all — not to be sure.
Meaning
In a talk on the value of science, Feynman defended freedom to doubt as the engine of progress. Being unsure is not weakness but an open door. When facing a big decision, write down what you assume and test one assumption this week rather than clinging to certainty.
Source: The Value of Science (1955)
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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