“Planets are too dim to be detected with existing equipment, far away, except in these very special circumstances where they're seen by their gravitational effect.”
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Of course the word chaos is used in rather a vague sense by a lot of writers, but in physics it means a particular phenomenon, namely that in a nonlinear system the outcome is often indefinitely, arbitrarily sensitive to tiny changes in the initial condition.
Murray Gell-Mann 
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Our planet doesn't seem to be the result of anything very special.
Murray Gell-Mann
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The chaos can act as a magnifier of quantum fluctuations so that they can produce sizable effects in the world around us. But we know that that can happen often.
Murray Gell-Mann
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Sometimes the probabilities are very close to certainties, but they're never really certainties.
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What I try to do in the book is to trace the chain of relationships running from elementary particles, fundamental building blocks of matter everywhere in the universe, such as quarks, all the way to complex entities, and in particular complex adaptive system like jaguars.
Murray Gell-Mann
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