“What you’ve got to understand, son,” says the doctor, “is it’s all the fault of the alien space bats.”

“Okay, rule number one: if you do not understand something, you need to stop me and tell me you don’t understand. If I ask if you’ve got it and you say you’ve got it but you don’t really have it, then it’s not my fault that you haven’t got it. Got it?”

“It’s the principle of the thing, Jess . That’s what you’ve got to understand. You have to stop people like that. Otherwise they turn into tyrants and dictators.”

“The Doctor: Dr. Song, you’ve got that face on again.River: What face?The Doctor: The ‘he’s hot when he’s clever’ face.River: This is my normal face.The Doctor: Yes, it is.”

“What the world needs is a set villain that people can point at and say, “It’s all your fault!”

“It’s your one last chance,” said Harry, “it’s all you’ve got left. . . .I’ve seen what you’ll be otherwise. . . . Be a man . . . try . . . Try for some remorse. . . .”