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So far as we know, all the fundamental laws of physics, like Newton's equations, are reversible.

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
Equations
Physics
Fundamental
Fundamentals
Laws
Law
Like
Reversible
Newton

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We are at the very beginning of time for the human race. It is not unreasonable that we grapple with problems. But there are tens of thousands of years in the future. Our responsibility is to do what we can, learn what we can, improve the solutions, and pass them on.
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It appears that there are enormous differences of opinion as to the probability of a failure with loss of vehicle and of human life. The estimates range from roughly 1 in 100 to 1 in 100,000. The higher figures come from the working engineers, and the very low figures from management.
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You see, one thing is, I can live with doubt and uncertainty and not knowing. I have approximate answers and possible beliefs and different degrees of certainty about different things... It doesn't frighten me.
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When things are going well, something will go wrong. / When things just can't get any worse, they will. / Anytime things appear to be going better, you have overlooked something.
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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 are thousands of years in the past, and there is an unknown amount of time in the future. There are all kinds of opportunities, and there are all kinds of dangers.
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The only way to deep happiness is to do something you love to the best of your ability
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The unanswerable mysteries... the attitude that all is uncertain... to summarize it - the humility of the intellect.
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All mass is interaction.
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Nature's imagination far surpasses our own.
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If all of this, all the life of a stream of water, can be nothing but a pile of atoms, how much more is possible?
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The truth always turns out to be simpler than you thought.
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If we will only allow that, as we progress, we remain unsure, we will leave opportunities for alternatives.
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I learned very early the difference between knowing the name of something and knowing something.
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The game I play is a very interesting one. It's imagination, in a tight straightjacket.
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When the problem [quantum chromodynamics] is finally solved, it will all be by imagination. Then there will be some big thing about the great way it was done. But it's simple -it will all be by imagination, and persistence.
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It requires a much higher degree of imagination to understand the electromagnetic field than to understand invisible angels. ... I speak of the E and B fields and wave my arms and you may imagine that I can see them ... [but] I cannot really make a picture that is even nearly like the true waves.
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We have this terrible struggle to try to explain things to people who have no reason to want to know.
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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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