Who said "Your strength is but a flickering moment in my eternity."?

This quote is attributed to The Night King.

Your strength is but a flickering moment in my eternity. - The Night King

"Your strength is but a flickering moment in my eternity."

The Night King Strength

"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."

"Strength comes from within."

"A woman should be proud of who she is."

"A strong woman can overcome anything."

"The only thing I'm good at is killing."