Ian: None of us has betrayed your friendship, Alexander. Because we are all innocent.

Alexander: Is that all you have to say?

Ian: Yes. You cannot support innocence with a million flowery words. Innocence stands out on its own, like a beacon. Maybe you can't see it now, but one day you will. And if you kill us, on that day, you will regret the injustice.

DOCTOR: There goes my plan A

SARAH JANE: Is there a plan B?

DOCTOR: Eh. Plan B would never work, we'll try plan C.