Who said "Justice is what we decree it to be."?

This quote is attributed to Dalek.

Justice is what we decree it to be. - Dalek

"Justice is what we decree it to be."

Dalek Justice

"Exterminate! Exterminate!"

"You will be exterminated!"

"Daleks do not feel pity or remorse or fear."

"We are superior. We are pure."

"Justice must always prevail."

"You think I'm just some animal?"

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

"Justice is worth fighting for."