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| "Those, who follow practice without research are like sailors who sail without a compass and steer, not knowing where they are going. Practice must always rely on good theory." |
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| Leonardo da Vinci | ||||
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| "Those, who follow practice without research are like sailors who sail without a compass and steer, not knowing where they are going. Practice must always rely on good theory." |
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| Leonardo da Vinci | ||||
