Iron rusts from disuse; stagnant water loses its purity and in cold weather becomes frozen; even so does inaction sap the vigor of the mind.
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Citation
Da Vinci, Leonardo. The Notebooks of Leonardo da Vinci. c. 1519.
Da Vinci, Leonardo. The Notebooks of Leonardo da Vinci. c. 1519.
Below are one or more quotes that share at least one tag with the quote at the top of the page
Shakespeare, William. Shake-speares Sonnets. London: Thomas Thorpe, 1609, sonnet 18, I. 9.
Shakespeare, William. "The Sonnets." The Norton Shakespeare, edited by Stephen Greenblatt, et al., 3rd ed., W. W. Norton & Company, 2015, sonnet 18.
Calvino, Italo. Le citta invisibili [Invisible Cities]. Giulio Einaudi, 1972.
Franklin, Benjamin [published as Richard Saunders]. Poor Richard Improved. Philadelphia, 1750.
Franklin, Benjamin. "Poor Richard Improved." Benjamin Franklin: Autobiography, Poor Richard, and Later Writings, edited by J. A. Leo Lemay. Library of America, 2005.