Who said "Your valor means nothing against my scales and flame."?

This quote is attributed to Smaug.

Your valor means nothing against my scales and flame. - Smaug

"Your valor means nothing against my scales and flame."

Smaug Courage

"I am fire. I am death."

"You have no idea what you're dealing with."

"I am armored above and below with iron scales and hard gems."

"My armor is like tenfold shields, my teeth are swords, my claws spears."

"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."