“Charley, C'Rizz, Lucie, Tamsin, Molly. Friends, companions I've known, I salute you. And Cass, I apologise. Physician, heal thyself.”

LUCIE: What did you say it stood for again? Time And Relative Dimensions...

THE DOCTOR: Yes..

LUCIE: Time And Relative Dimensions In Shed.

THE DOCTOR: That is not what is stands for.

LUCIE: Yes it does. It's a shed.