Who said "Gratitude is the foundation of a noble heart."?

This quote is attributed to Kaladin Stormblessed.

Gratitude is the foundation of a noble heart. - Kaladin Stormblessed

"Gratitude is the foundation of a noble heart."

Kaladin Stormblessed Gratitude

Character in The Way of Kings

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"A man can change his own future."

"I will protect those who cannot protect themselves."

"What if I'm stronger than I think I am?"

"They are like traders of emotion."

"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"