Carlo Rovelli Quotes

• El fundamento mismo de la ciencia es mantener la puerta abierta a la duda. Precisamente porque seguimos cuestionándolo todo, especialmente nuestras propias premisas, siempre estamos dispuestos a mejorar nuestros conocimientos. Por lo tanto, un buen científico nunca está "seguro". La falta de certeza es precisamente lo que hace que las conclusiones sean más fiables que las de quienes están seguros: porque el buen científico estará dispuesto a cambiar de punto de vista si surgen mejores elementos de prueba o argumentos novedosos. Por tanto, la certeza no sólo no sirve para nada, sino que de hecho es perjudicial, si valoramos la fiabilidad.

  Carlo Rovelli

  Doors, Views, Doubt

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• We never really see time. We see only clocks. If you say this object moves, what you really mean is that this object is here when the hand of your clock is here, and so on. We say we measure time with clocks, but we see only the hands of the clocks, not time itself. And the hands of a clock are a physical variable like any other. So in a sense we cheat because what we really observe are physical variables as a function of other physical variables, but we represent that as if everything is evolving in time.

  Carlo Rovelli

  Time, Moving, Mean

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• I think that physics is about escaping the prison of the received thoughts and searching for novel ways of thinking the world, about trying to clear a bit the misty lake of insubstantial dreams, which reflect reality like the lake reflects the mountains.

  Carlo Rovelli

  Sueño, Realidad, Pensamiento

  Carlo Rovelli (2007). “Quantum Gravity”, p.17, Cambridge University Press

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• Rationality and the instinct of collaboration have already given us large regions and long periods of peace and prosperity. Ultimately, they will lead us to a planet without countries, without wars, without patriotism, without religions, without poverty, where we will be able to share the world. Actually, maybe I am not sure I truly believe that I believe this, but I do want to believe that I believe this.

  Carlo Rovelli

  País, Guerra, Creer

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• Listening a cultivated person of today that jokes and almost boasts about his scientific ignorance, is as sad as listening a scientist that boasts about not having read any poem.

  Carlo Rovelli

  Ignorance, Listening, Today

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• Einstein’s 1905 paper came out and suddenly changed people’s thinking about space-time. We’re again in the middle of something like that. When the dust settles, time—whatever it may be—could turn out to be even stranger and more illusory than even Einstein could imagine.

  Carlo Rovelli

  Science, Thinking, Dust

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• An overly pragmatic attitude is not productive on the long run.

  Carlo Rovelli

  Correr, Actitud, Largo

  Carlo Rovelli (2007). “Quantum Gravity”, p.4, Cambridge University Press

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• I think that the resistance against Darwin is not just the difficulty of seeing the power of a spectacularly beautiful explanation: it is the fear of realizing the extraordinary power that such an explanation has in shattering rests of old world views.

  Carlo Rovelli

  Beautiful, Thinking, Views

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• The new coherent picture is not yet available. With all their immense empirical success, G(eneral)R(elativity) and Q(uantum)M(echanics) have left us with an understanding of the physical world which is unclear and badly fragmented. At the foundations of physics there is today confusion and incoherence.

  Carlo Rovelli

  Confusion, Understanding, Today

  "Quantum gravity". Book by Carlo Rovelli, 2004.

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• I worry that free imagination is overvalued, and I think this carries risks.

  Carlo Rovelli

  Thinking, Imagination, Worry

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• Don't trust your teachers.

  Carlo Rovelli

  Teacher, Don't Trust

  Lectures at "The First Quantum Geometry and Quantum Gravity School", Zakopane, Poland, March 23 - April 3, 2007.

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