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— Robert A. Heinlein"The hardest part about gaining any new idea is sweeping out the false idea occupying that niche. As long as that niche is occupied, evidence and proof and logical demonstration get nowhere. But once the niche is emptied of the wrong idea that has been filling it:; once you can honestly say, "I don't know", then it becomes possible to get at the truth."
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We never have a full demonstration, although there is always an underlying reason for the truth, even if it is only perfectly understood by God, who alone penetrated the infinite series in one stroke of the mind.
— Gottfried Leibniz
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Sometimes it appears that we're reaching a period when our senses and our minds will no longer respond to moderate stimulation. We seem to be approaching an Age of the Gross. Persuasion through speeches and books is too often discarded for disruptive demonstrations aimed at bludgeoning the unconvinced into action.
— Spiro T. Agnew
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