You'll go out of business if you think people are stupid.

Madame Kovarian: The anger of a good man is not a problem. Good men have too many rules. The Doctor: Good men don't need rules. Today is not the day to find out why I have so many.

Brainy's the new sexy.

Kathy Nightingale: What's good about sad? Sally Sparrow: It's happy for deep people.

Though the man above might say hello, expect no love from the beast below

The Doctor: [aiming gun at the ceiling] Didn't anyone ever tell you? There's one thing you never put in a trap if you're smart. If you value your continued existence, if you have any plans about seeing tomorrow, there's one thing you never, ever put in a trap. Angel Bob: And what would that be, sir? The Doctor: Me. [fires]

There's something really cool about scaring children. Traumatize a generation, that's what it's all about.