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Bold ideas, unjustified anticipations, and speculative thought, are our only means for interpreting nature: our only organon, our only instrument, for grasping her. And we must hazard them to win our prize. Those among us who are unwilling to expose their ideas to the hazard of refutation do not take part in the scientific game.
Karl Popper, Austrian-British philosopher of science and social and política e falsificationism and for criticism of Plato, Hegel and Marx as totalitarian opponents of open society (1902-1994)
WikiQuote The Logic of Scientific Discovery (1934)
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We are wont to call that human reasoning which we apply to Nature the anticipation of Nature (as being rash and premature) and that which is properly deduced from things the interpretation of Nature.
Francis Bacon, English philosopher and statesman (1561–1626)
WikiQuote Novum Organum (1620)
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By marrying experiment to speculation, we put ourselves in a dimmer version of the circumstance of the Creator. We remake nature or we imagine it remade. By this expedient we free ourselves, if only partly and tentatively, from suspicion of our beliefs, and we live once again, unafraid, in the light of the actual.
Roberto Mangabeira Unger, Brazilian philosopher and politician
WikiQuote The Self Awakened: Pragmatism Unbound (2007)
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I think that only daring speculation can lead us further and not accumulation of facts.
Albert Einstein, German-born theoretical physicist
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