Viajar no Tempo

(daqui)

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«The capacity for mental time travel gave our ancestors an invaluable edge in the struggle for survival. (...) If this argument is correct, then mental time travel into the past — remembering — “is subsidiary to our ability to imagine future scenarios.” Tulving agrees: “What is the benefit of knowing what has happened in the past? Why do you care? The importance is that you’ve learned a lesson,” he says. “Perhaps the evolutionary advantage has to do with the future rather than the past.”

Modern neuroscience appears to confirm that line of reasoning: as far as your brain is concerned, the act of remembering is indeed very similar to the act of imagining the future.»

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Dan Falk, In Search of Time: The History, Physics, and Philosophy of Time, citado por Maria Popova (1/7/2014), «The Science of Mental Time Travel and Why Our Ability to Imagine the Future Is Essential to Our Humanity», Brain Pickings.
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P.S.1 - Vale a pena ler todo o artigo de Maria Popova.

P.S.2 - Maria Popova adverte para o risco de gastarmos demasiado tempo a planear o futuro.

P.S.3 - Eu julgo que também há o risco de nos perdermos no passado, quer seja o das memórias pessoais e familiares, quer seja o da história nacional ou mundial.
P.S.4 - Como sempre, o equilíbrio é essencial.
P.S.5 - Os "negritos" são meus.