Who said "The real frozen heart is letting fear control you."?

This quote is attributed to Kristoff.

The real frozen heart is letting fear control you. - Kristoff

"The real frozen heart is letting fear control you."

Kristoff Courage

"Some people are worth melting for."

"I'm such a fool, I can't be free."

"You can't marry a man you just met."

"Reindeer are better than people."

"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."