if you acknowledge the present, you cant help but notice that history is just a narrative scheme mosaiced together by thoroughly and imperiously filtered fractures of the past;
this is where museums come into the picture: a museum seals history in the past, so it wont taint the present;
you go to the museum to master the rules of the game, since this is the only way you can play the game, which requires you to be able to always reconstruct its rules and make up new ones on the go;