Who said "The greatest monument is a life well-lived."?

This quote is attributed to Isabella d'Este.

The greatest monument is a life well-lived. - Isabella d'Este

"The greatest monument is a life well-lived."

Isabella d'Este

Patron Duchess Collector Italian 1474–1539

"I am Isabella d'Este, and I bow to no one but God and the Pope."

"Art is the highest expression of the human spirit."

"A woman's intellect is as capable as a man's, if given the opportunity."

"I collect beauty as others collect gold."