Who said "Gratitude is the memory of the heart."?

This quote is attributed to Cosette.

Gratitude is the memory of the heart. - Cosette

"Gratitude is the memory of the heart."

Cosette Gratitude

Character in Les Misérables

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"The supreme joy of life is the conviction of being loved for oneself."

"A grateful heart is a gateway to happiness."

"Hope is a seed planted in the heart."

"A single act of genuine love can transform a lifetime."

"Gratitude makes life richer."

"A grateful heart is a happy heart."

"Respect those who came before us."

"Life's greatest treasures are the people we love"