“I was just trying to show you,” he went on, “just how insubstantial a ‘common sense’ idea can be when you pin it down. Neither ‘common sense’ nor ‘logic’ can prove anything. Proof comes from experiment, or to put it another way, from experience, and from nothing else.”

— Robert A. Heinlein, book Rocket Ship Galileo

Source: Rocket Ship Galileo (1947), Chapter 10, “The Method of Science”, p. 105

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Robert A. Heinlein557

American science fiction author 1907–1988

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“I was just trying to show you,” he went on, “just how insubstantial a ‘common sense’ idea can be when you pin it down. Neither ‘common sense’ nor ‘logic’ can prove anything. Proof comes from experiment, or to put it another way, from experience, and from nothing else.”

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