Kate

“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]”
― Steven Moffat

“People assume that time is a strict progression of cause to effect, but *actually* from a non-linear, non-subjective viewpoint - it's more like a big ball of wibbly wobbly... time-y wimey... stuff.”
― Steven Moffat

“If you are an alien, how come you sound like you're from the north?'

'Lots of planets have a north!”
― Russell T Davies

“Bow ties are cool.”
― Steven Moffat