A man phones a mental hospital and asks the receptionist...
A man phones a mental hospital and asks the receptionist if there is anybody in room 27. She goes and checks, and comesback to the phone, telling him No, the room is empty. "Good," says the man. "That means I must have really escaped."

Ape Reading List
One day the zoo-keeper noticed that the orangutan was
reading two books -- the Bible and Darwin's Origin of
Species.

In surprise he asked the ape, "Why are you reading both
those books?"

"Well," said the orangutan, "I just wanted to know if I was
my brother's keeper or my keeper's brother."