Who said "Love is but a fleeting warmth before the eternal cold."?

This quote is attributed to The Night King.

Love is but a fleeting warmth before the eternal cold. - The Night King

"Love is but a fleeting warmth before the eternal cold."

The Night King Love

"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."

"I love my wife, but sometimes she drives me crazy."

"Love conquers all obstacles."

"Love is patient, love is kind."

"I'm not stupid, I'm just in love!"