Who said "Someone needs to put a sword through its heart."?

This quote is attributed to Jon Snow.

Someone needs to put a sword through its heart. - Jon Snow

"Someone needs to put a sword through its heart."

Jon Snow Courage

Character in A Game of Thrones

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"The night gathers and now my watch begins."

"The night gathers, and now my watch begins."

"I am no boy!"

"Freedom is a choice we make every day."

"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."