Who said "The Daleks show no mercy, expect none."?

This quote is attributed to Dalek.

The Daleks show no mercy, expect none. - Dalek

"The Daleks show no mercy, expect none."

Dalek Truth

"Exterminate! Exterminate!"

"You will be exterminated!"

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

"We are superior. We are pure."

"Lucy, you got some 'splainin' to do!"

"You must always be honest with the people you love."

"Truth always comes out in the end."

"Honesty is always the best policy."