DOCTOR: There’s a cruel truth we have to face… People who make history are also claimed by history. This is the price we pay for travelling in time, Ryan. We have to witness the loss.

DOCTOR: Mmm! I haven't had a wonton that good since I went trekking with Marco Polo!

YAZ: You are a tragic name-dropper, do y'know that?

DOCTOR: Virginia Woolf said the same thing to me once, but I can't see it meself...