DOCTOR: Never be cruel. Never be cowardly. Hate is always foolish. Love is always wise. Always try to be nice, but never fail to be kind.

BILL: Look at this place. It's like a-

DOCTOR: Spaceship.

BILL: - kitchen.

DOCTOR: A what?

BILL: A really posh kitchen, all metal. What happened with the doors, though? Did you run out of money?

DOCTOR: What you are standing in is a technological marvel. It is science beyond magic. This is the gateway to everything that ever was, or ever can be.

BILL: Can I use the toilet?

DOCTOR: Nothing’s sad until it’s over, and then everything is.