Who said "Solitude is strength. Companionship is vulnerability."?

This quote is attributed to Dalek.

Solitude is strength. Companionship is vulnerability. - Dalek

"Solitude is strength. Companionship is vulnerability."

Dalek Solitude

"Exterminate! Exterminate!"

"You will be exterminated!"

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

"We are superior. We are pure."

"Sometimes being the best means being the loneliest."

"Solitude gives us time to reflect on what matters"

"I'm not good with people, never have been."

"I feel like I'm disappearing."