Anonymous ID: 14fd6f Oct. 28, 2020, 3:51 p.m. No.11329643   🗄️.is 🔗kun   >>9695

A man goes into a library and asks for a book about Pavlov's dogs and Schrodinger's cat.

 

The librarian says, "It rings a bell, but I don't know whether it's there or not"