Who said "Change is the only constant in our rule of terror."?

This quote is attributed to Dalek.

Change is the only constant in our rule of terror. - Dalek

"Change is the only constant in our rule of terror."

Dalek Change

"Exterminate! Exterminate!"

"You will be exterminated!"

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

"We are superior. We are pure."

"Change brings new opportunities."

"Every day is a new opportunity."

"Healing doesn't mean forgetting."

"You either get better or you get bitter."