Who said "My work is destruction, and I am unmatched in my craft."?

This quote is attributed to Smaug.

My work is destruction, and I am unmatched in my craft. - Smaug

"My work is destruction, and I am unmatched in my craft."

Smaug Work

"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."

"Hard work never killed anybody."

"Work with purpose and integrity."

"Hard work pays off in the end."

"A man's gotta do what a man's gotta do."