The library, because it has the most stories.
Ideally you only have to sack them once, but we should probably sack them again for good measure.
They're both myths.
A library, because there are so many stories. (Did Not Make Up this Joke)
Sir, this is a library." *whispers* "What aisle has the milk "
Q: What is the tallest building in the entire world? A: The library, because it has so many stories.