Who said "Gratitude is the soil in which a great nation grows."?

This quote is attributed to Skanderbeg.

Gratitude is the soil in which a great nation grows. - Skanderbeg

"Gratitude is the soil in which a great nation grows."

Skanderbeg Gratitude

Military Commander Albanian 1405–1468

"I am the son of my efforts."

"A man without courage is not a man."

"Freedom is the greatest treasure."

"I fight not for gold, but for my people."

"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"