You have to take your own bold approach, and if you do you will be rewarded with success. Or calamitous failure. That can happen too.

The universe is big, its vast and complicated, and ridiculous. And sometimes, very rarely, impossible things just happen and we call them miracles. And that's the theory. Nine hundred years, never seen one yet, but this would do me.

[The Doctor, Capt. Jack and Rose are cornered by the empty children.] The Doctor: Go to your room! Go to your room! I mean it. I'm very, very angry with you. I'm very, very cross! GO! TO! YOUR! ROOM! [The children lurch away and obey him.] I'm really glad that worked. Those would have been terrible last words.

If it’s time to go, remember what you’re leaving. Remember the best.

If anyone said to me 'invent a new monster so we can sell more toys', I'd kick them out of my office.

Amy: I had something I wanted to tell him. Stuff always gets in the way. Canton: Stuff does that.

Well we've moved through the funfair a bit – we've done the rollercoaster, now we're on the ghost train.