Who said "I'm grateful for every lesson learned."?

This quote is attributed to Iron Fist.

I'm grateful for every lesson learned. - Iron Fist

"I'm grateful for every lesson learned."

Iron Fist Gratitude

"I am the living weapon. I am Iron Fist."

"I've trained my entire life for this moment."

"The chi flows through all living things."

"I need to protect the innocent."

"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"