Who said "Justice is whatever serves the interests of the just."?

This quote is attributed to Lannister.

Justice is whatever serves the interests of the just. - Lannister

"Justice is whatever serves the interests of the just."

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."