Who said “As a well-spent day brings happy sleep, so life well used brings happy death.”?

Verified

Leonardo Da Vinci. A published source records them saying or writing it.

SourceI Prolegomena and General Introduction to the Book on Painting

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For academic work, cite the original where you can: I Prolegomena and General Introduction to the Book on Painting.

APA

Vinci, L. D. (n.d.). As a well-spent day brings happy sleep, so life well used brings happy death. [Quotation]. Famous Quotations Network. Retrieved October 24, 2026, from https://www.famous-quotations.com/quotes/12475-as-a-well-spent-day-brings-happy-sleep/

MLA

Vinci, Leonardo Da. “As a well-spent day brings happy sleep, so life well used brings happy death.” Famous Quotations Network, https://www.famous-quotations.com/quotes/12475-as-a-well-spent-day-brings-happy-sleep/. Accessed 24 Oct. 2026.

Chicago

Vinci, Leonardo Da. “As a well-spent day brings happy sleep, so life well used brings happy death.” Famous Quotations Network. Accessed October 24, 2026. https://www.famous-quotations.com/quotes/12475-as-a-well-spent-day-brings-happy-sleep/.

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