Who said "Your race has always been beneath me."?

This quote is attributed to Smaug.

Your race has always been beneath me. - Smaug

"Your race has always been beneath me."

Smaug

"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."