Who said "Gratitude is the soil in which all other virtues grow."?

This quote is attributed to Selim I.

Gratitude is the soil in which all other virtues grow. - Selim I

"Gratitude is the soil in which all other virtues grow."

Selim I Gratitude

Military Sultan Ottoman 1470–1520

"The conquest of Constantinople is the conquest of the world."

"A ruler must be swift in decision and firm in execution."

"The sword is the language of kings."

"To rule is to serve those beneath you."

"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"