Who said "The only true justice is power."?

This quote is attributed to Lannister.

The only true justice is power. - Lannister

"The only true justice is power."

Lannister Justice

"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."

"Justice must always prevail."

"You think I'm just some animal?"

"Fighting for what's right never gets easier."

"Justice is worth fighting for."