Who said "I am grateful for the strength flowing through my veins."?

This quote is attributed to Loki Laufeyson.

I am grateful for the strength flowing through my veins. - Loki Laufeyson

"I am grateful for the strength flowing through my veins."

Loki Laufeyson Gratitude

"I am Loki of Asgard, and I am burdened with glorious purpose."

"You call it madness, but I call it ambition."

"Kneel before me. I am your king."

"The chitauri will devour the weak, and put the strong to work."

"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"