Who said "Your gratitude cannot move the coming ice."?

This quote is attributed to The Night King.

Your gratitude cannot move the coming ice. - The Night King

"Your gratitude cannot move the coming ice."

The Night King Gratitude

"The living are not my concern."

"Death is the enemy. And we are joining the fight against it."

"Winter came for House Umber."

"I am the night."

"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"