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

This quote is attributed to Apuleius.

Gratitude is the memory of the heart. - Apuleius

"Gratitude is the memory of the heart."

Apuleius Gratitude

Novelist Philosopher Africa (Madauros) 125–170

"The madman is a dreamer awake."

"One man's theology is another man's belly laugh."

"Be it ever so humble, there's no place like home."

"The reward of justice is the calm of the soul."

"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"