Who said "We've got to go back."?

This quote is attributed to Harry Potter.

We've got to go back. - Harry Potter

"We've got to go back."

Harry Potter Courage

Character in Harry Potter and the Chamber of Secrets

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"Ghosts don't eat, Nearly Headless Nick."

"I'm not going home tonight."

"True courage means facing what terrifies you most."

"I have nothing to be ashamed of."

"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."