Mental excercise and long life. Engraving illustrating the maxim that the life of mind and body is strengthened and prolonged by incessant toil.

Licence: Attribution 4.0 International (CC BY 4.0)

Credit: Mental excercise and long life. Engraving illustrating the maxim that the life of mind and body is strengthened and prolonged by incessant toil. Wellcome Collection. Source: Wellcome Collection.

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