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A scientist is never certain. ... We absolutely must leave room for doubt or there is no progress and there is no learning.
Richard P. Feynman
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Richard P. Feynman
Age: 69 †
Born: 1918
Born: May 11
Died: 1988
Died: February 15
Inventor
Percussionist
Physicist
Politician
Quantum Physicist
Science Communicator
Theoretical Physicist
University Teacher
Writer
Far Rockaway
New York
Richard Phillips Feynman
Richard P. Feynman
Ofey
Progress
Leave
Learning
Doubt
Certain
Scientist
Must
Absolutely
Never
Room
Rooms
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I think we can safely assume that no one understands quantum mechanics.
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If the professors of English will complain to me that the students who come to the universities, after all those years of study, still cannot spell 'friend,' I say to them that something's the matter with the way you spell friend.
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We are lucky to live in an age in which we are still making discoveries.
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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.
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We absolutely must leave room for doubt or there is no progress and no learning. There is no learning without having to pose a question. And a question requires doubt. People search for certainty. But there is no certainty.
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Turbulence is the most important unsolved problem of classical physics.
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Learn what the rest of the world is like. The variety is worthwhile.
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The game I play is a very interesting one. It's imagination in a straightjacket, which is this: that it has to agree with the known laws of physics. ... It requires imagination to think of what's possible, and then it requires an analysis back, checking to see whether it fits, whether its allowed, according to what's known, okay?
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Agnostic for me would be trying to weasel out and sound a little nicer than I am about this.
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I think it's much more interesting to live not knowing than to have answers which might be wrong.
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The present situation in physics is as if we know chess, but we don't know one or two rules.
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By honest I don't mean that you only tell what's true. But you make clear the entire situation. You make clear all the information that is required for somebody else who is intelligent to make up their mind.
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People are always asking for the latest developments in the unification of this theory with that theory, and they don't give us a chance to tell them anything about what we know pretty well. They always want to know the things we don't know.
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There is nothing that living things do that cannot be understood from the point of view that they are made of atoms acting according to the laws of physics.
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Since then I never pay attention to anything by experts. I calculate everything myself.
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I don't have to be good because they think I'm going to be good.
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There is no harm in doubt and skepticism, for it is through these that new discoveries are made.
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The basis of action on love, the brotherhood of all men, the value of the individual... the humility of the spirit.
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