Who said "I am grateful to no one. Gratitude is beneath my station."?

This quote is attributed to Smaug.

I am grateful to no one. Gratitude is beneath my station. - Smaug

"I am grateful to no one. Gratitude is beneath my station."

Smaug Gratitude

"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."

"Gratitude makes life richer."

"A grateful heart is a happy heart."

"Respect those who came before us."

"Life's greatest treasures are the people we love"