The first is the matter of judging evidence–well, the first… - Richard Feynman

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The first is the matter of judging evidence–well, the first thing really is, before you begin you must not know the answer. So you begin by being uncertain as to what the answer is. This is very, very important, so important that I would like to delay that aspect, and talk about that still further along in my speech. The question of doubt and uncertainty is what is necessary to begin; for if you already know the answer there is no need to gather any evidence about it.

Richard Feynman

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About Richard Feynman

Richard Phillips Feynman (May 11, 1918 – February 15, 1988) was an American theoretical physicist. He is known for the work he did in the path integral formulation of quantum mechanics, the theory of quantum electrodynamics, the physics of the superfluidity of supercooled liquid helium, and in particle physics, for which he proposed the parton model. For his contributions to the development of quantum electrodynamics, Feynman received the Nobel Prize in Physics in 1965 jointly with Julian Schwinger and Shin'ichirō Tomonaga. Feynman developed a widely used pictorial representation scheme for the mathematical expressions describing the behavior of subatomic particles, which later became known as Feynman diagrams. During his lifetime, Feynman became one of the best-known scientists in the world.

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Native Name: Richard Phillips Feynman

Alternative Names: Ofey • Feynman • Dick Feynman • Richard P. Feynman

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Doubting the great Descartes ... was a reaction I learned from my father: Have no respect whatsoever for authority; forget who said it and instead look what he starts with, where he ends up, and ask yourself, "Is it reasonable?"

Knowledge isn't free. You have to pay attention.

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

The first is the matter of judging evidence–well, the first thing really is, before you begin you must not know the answer. So you begin by being unc… - Richard Feynman

About Richard Feynman

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