Who said "Gold buys a man's labor, not his loyalty."?

This quote is attributed to Lannister.

Gold buys a man's labor, not his loyalty. - Lannister

"Gold buys a man's labor, not his loyalty."

Lannister Leadership

"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."

"A leader must be fair and just."

"Integrity is everything."

"One must take responsibility for one's environment."

"In this house, I make the decisions"