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The Times of India
The Times of India
World

Quote of the day by Leonardo da Vinci: 'Iron rusts from disuse; stagnant water loses its purity from stagnation; even so does inaction sap the vigour of the mind,' and why the greatest threat to intelligence is leaving it unused

Leonardo da Vinci is remembered as one of history's greatest painters, though reducing him to an artist alone hardly captures the scale of his curiosity. He studied anatomy by dissecting human bodies, designed machines centuries ahead of their time, filled notebooks with observations about birds, rivers, engineering and mathematics, and moved comfortably between art and science in a way that still feels extraordinary today. For Leonardo, knowledge was never something to be collected and stored. It had to be exercised, questioned and applied. The famous observation comparing rusting iron, stagnant water and the human mind reflects that lifelong belief that ability survives only through use.

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