Who said "Gratitude is a mark of a noble heart."?

This quote is attributed to Pod.

Gratitude is a mark of a noble heart. - Pod

"Gratitude is a mark of a noble heart."

Pod Gratitude

"I am of the night."

"The things we love destroy us."

"A man can be wise and still be foolish."

"Strength is not always found in swords."

"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"