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A model is done when nothing else can be taken out.

Freeman Dyson

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Freeman Dyson
Age: 96 †
Born: 1923
Born: December 15
Died: 2020
Died: February 28
Mathematician
Nuclear Physicist
Physicist
Professor
Theoretical Physicist
Crowthorne
Berkshire
Freeman John Dyson
Freeman J. Dyson
Done
Complexity
Model
Simplicity
Models
Taken
Else
Nothing

More quotes by Freeman Dyson

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Many of the technologies that are now racing ahead most rapidly, replacing human workers in factories and offices with machines, making stockholders richer and workers poorer, are indeed tending to accentuate the existing inequalities in the distribution of wealth.
Freeman Dyson
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When I listen to the public debates about climate change, I am impressed by the enormous gaps in our knowledge, the sparseness of our observations and the superficiality of our theories.
Freeman Dyson
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We simply don't know yet what's going to happen to the carbon in the atmosphere.
Freeman Dyson
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Just because you see pictures of glaciers falling into the ocean doesn't mean anything bad is happening. This is something that happens all the time. It's part of the natural cycle of things. We know from measurements that glaciers have been melting for 200 years at least.
Freeman Dyson
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There is a great satisfaction in building good tools for other people to use.
Freeman Dyson
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The total disorder in the universe, as measured by the quantity that physicists call entropy, increases steadily over time. Also, the total order in the universe, as measured by the complexity and permanence of organized structures, also increases steadily over time.
Freeman Dyson
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The language that nature speaks is the same language that we invented for mathematics. That's just an amazing piece of luck, which we don't understand.
Freeman Dyson
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Now, as Mandelbrot points out, ... Nature has played a joke on the mathematicians. The 19th-century mathematicians may not have been lacking in imagination, but Nature was not. The same pathological structures that the mathematicians invented to break loose from 19th-century naturalism turn out to be inherent in familiar objects all around us.
Freeman Dyson
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I think that what the machines can do, of course, is wonderful, but it's not the same as what the brain can do.
Freeman Dyson
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Younger people have so many opportunities. I don't see any pessimism among them.
Freeman Dyson
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There are two different ways of looking at the universe and it's the same universe with two different windows. The science window gives you a view of the world, and the religion window gives you a totally different view. You can't look at both of them at the same time, but they're both true.
Freeman Dyson
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New directions in science are launched by new tools much more often than by new concepts. The effect of a concept-driven revolution is to explain old things in new ways. The effect of a tool-driven revolution is to discover new things that have to be explained.
Freeman Dyson
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I am saying that all predictions concerning climate are highly uncertain.
Freeman Dyson
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If you're in the business world, that's what's expected: You should go bust and then start again on something else. So it's a much more relaxed kind of a culture. It's also competitive, but not in such a vicious way. I think the academic world is actually much more destructive of young people.
Freeman Dyson
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So long as you have courage and a sense of humor, it is never too late to start life afresh.
Freeman Dyson
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Computer models of the climate....[are] a very dubious business if you don't have good inputs.
Freeman Dyson
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Mostly I'm just writing books for the public, and so I try to describe for the public what the choices are, what they might have to expect in the future and so by warning people ahead of time maybe you have an effect.
Freeman Dyson
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I think that the artificial-intelligence people are making a lot of noise recently, claiming that artificial intelligence is making huge progress and we're going to be outstripped by the machines.
Freeman Dyson
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To give us room to explore the varieties of mind and body into which our genome can evolve, one planet is not enough.
Freeman Dyson
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CO2 is so beneficial...it would be crazy to try to reduce it
Freeman Dyson