Feynman’s Advice For Becoming a Scientific Skeptic

Why doubt and skepticism are important for discovery

Sunny Labh
4 min readOct 19, 2022
Richard Feynman at Caltech, 1986. Image Source: Caltech Yearbook. Commons Image.

There’s no doubt that Richard Feynman is one of the most accomplished theoretical physicists of all time. But he was much more than just that. His methods of teaching and learning were unconventional and he truly believed in the power of scientific skepticism and doubt and uncertainty. In order for anyone to make progress in science or scientific domains, he says, uncertainty is extremely important. This isn’t my first piece about the physics legend. In my previous articles, I shared Feynman’s ideologies about God and religion. If you haven’t read that piece yet you can read it here,

In this article, however, I shall share what the scientific Zeus thought about the importance of doubt, and uncertainty. Most of the quotations mentioned in this piece have been extracted from his autobiography ‘Surely You’re Joking Mr. Feynman!’ and his interviews the reference to which shall be mentioned alongside each.

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Sunny Labh

Science writer and communicator majoring in Quantum Mechanics. Curator of @PhysInHistory on twitter. Twitter: @thePiggsBoson