They say a little knowledge is a dangerous thing, but it's not one half so bad as a lot of ignorance.
Terry PratchettFor the first time in her life Granny wondered whether there might be something important in all these books people were setting store by these days, although she was opposed to books on strict moral grounds, since she had heard that many of them were written by dead people and therefore it stood to reason reading them would be as bad as necromancy. Among the many things in the infinitely varied universe with which Granny did not hold was talking to dead people, who by all accounts had enough troubles of their own.
Terry PratchettI'm trying to have a moment o' existential dreed here, right? Crivens, it's a puir lookout if a man canna feel the chilly winds o' fate lashing aroound his netheres wi'out folks telling him he's deid, eh?
Terry Pratchett