“Everybody loves a thing more if it has cost him trouble.”

“Follow your heart. It rarely leads you astray. It's thinking that gets us into trouble.”

“Something about history stirred him. He liked following in its footsteps.”

“The people can be forced to fear, but not to love.”

“It's been my experience, Langford, that the past always has a way of returning. Those who don't learn, or can't remember it, are doomed to repeat it.”

“I don't think my mum ever understood my love of Doctor Who. Surely her strongest memory would have been me, standing at the top of the stairs, crying about how the "jelly men" were going to get me? Sorry, Mum, for those sleepless nights, but it was with good reason they called it Terror of the Zygons.”

“I detest those who deceive me...”