7) Logic, my dear Zoe, merely enables one to be wrong with great authority.

Isn't there a Blake's 7 quote rather like this? Wondered where they got it from. :¬D

I would add Vastra and Jenny to Favourite guest stars.

Roger Delgado was always the one and only true Master!

I can see why the Weeping Angels are scary but not The Silence. They just look silly to me, though they evidently modelled for Edward Munch.