Leonardo da Vinci:

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.

— Leonardo da Vinci Early Modern

Polymath, artist, inventor, scientist

Context

Notebooks

Date / Period

c. 1500s

Source

https://www.leonardodavinci.net/leonardodavincinotebooks.jsp

Verification

Unverifiable

Explanation

Found in 1 providers: grok

Method

Cross Reference

Sources Checked

1 source

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