"Knowing is not enough; we must apply. Being willing is not enough; we must do."
— Leonardo da Vinci

January 1, 1970

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Added on April 10, 2026
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InventorsArchitects from ItalyPainters from ItalyScientists from ItalyCivil engineers
Original Language: English

Sources

No published occurrence of such an attribution has yet been located prior to one in Wilhelm Meisters Wanderjahre — Band 3 by Johann Wolfgang von Goethe