Who said "Dreams are fantasies for those who lack ambition."?

This quote is attributed to Lannister.

Dreams are fantasies for those who lack ambition. - Lannister

"Dreams are fantasies for those who lack ambition."

Lannister Dreams

"A Lannister always pays his debts."

"I am the god of tits and wine."

"You are an awful man."

"I drink and I know things."

"This is going to be a great show!"

"Dreams are what make life worth living."

"Never stop dreaming big."

"Dreams are what keep us going."