Who said "The living should fight, not the dead."?

This quote is attributed to Jon Snow.

The living should fight, not the dead. - Jon Snow

"The living should fight, not the dead."

Jon Snow Courage

"The things we love destroy us every time."

"I am of the night."

"The North Remembers."

"When the snows fall and the cold winds blow, the lone wolf dies, but the pack survives."

"Never let fear stop you from chasing your dreams."

"Courage is being afraid but doing it anyway."

"Sometimes you gotta do what you gotta do."

"Sometimes you have to be the monster to stop the monsters."