Who said "Fear is the enemy."?

This quote is attributed to Jon Snow.

Fear is the enemy. - Jon Snow

"Fear is the enemy."

Jon Snow Courage

Character in A Storm of Swords

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"A man must know how to die"

"The night gathers, and now my watch begins"

"I shall wear no crowns and win no glory"

"I am of the night."

"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."