Who said "The Daleks do not negotiate. We conquer."?

This quote is attributed to Dalek.

The Daleks do not negotiate. We conquer. - Dalek

"The Daleks do not negotiate. We conquer."

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."