Who said "Gratitude is the heart's memory."?

This quote is attributed to Saladin.

Gratitude is the heart's memory. - Saladin

"Gratitude is the heart's memory."

Saladin Gratitude

Military Sultan Kurdish 1138–1193

"I am the master of my fate; I am the captain of my soul."

"Victory is reserved for those who are willing to pay its price."

"The greatest victory is that which requires no battle."

"Patience is the ornament of the brave."

"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"