There are all kinds of darkness, and all kinds of things can be found in them, imprisoned, banished, lost or hidden. Sometimes they escape. Sometimes they simply fall out. Sometimes they just can't take it any more.
Terry PratchettFunny, reely," he said. "You spend your whole life goin' to school and learnin' stuff, and they never tell you about stuff like the Bermuda Triangle and UFOs and all these Old Masters running around the inside of the Earth. Why do we have to learn boring stuff when there's all this brilliant stuff we could be learnin', that's what I want to know.
Terry Pratchett