Who said "The Dalek future is your grave."?

This quote is attributed to Dalek.

The Dalek future is your grave. - Dalek

"The Dalek future is your grave."

Dalek Death

"Exterminate! Exterminate!"

"You will be exterminated!"

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

"We are superior. We are pure."

"Death doesn't scare me anymore."

"Death and I are old friends."

"Welcome to my world."

"Death is just the beginning."