Intelligent Quotes

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“The first principle is that you must not fool yourself and you are the easiest person to fool.”

Richard Feynman (verified)

Source

Surely You're Joking, Mr. Feynman! (Primary source)
A delightful collection of autobiographical anecdotes revealing Feynman’s insatiable curiosity and playful irreverence, from safecracking at Los Alamos to bongo drumming in Greenwich Village, illustrating how brilliance and joy coexisted in one extraordinary life.

More about “Surely You're Joking, Mr. Feynman!” →

Full quote

The first principle is that you must not fool yourself—and you are the easiest person to fool. So you have to be very careful about that. After you’ve not fooled yourself, it’s easy not to fool other scientists. You just have to be honest in a conventional way after that.”

Richard Feynman (verified)

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