There is a historic cemetery near me; Walt Whitman is buried there. In its office there is a large vault, with paper records going back to the 1800s. It’s a treasure trove for archivists and historians. It also has some weird stuff.
Glued to the inside of the vault door is an ancient piece of paper with some type on it. Here it is:
I don’t really have anything to add here, except that humans are so gloriously weird that you would never reach the bottom.
The Opportunity Machine 