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."

Give a man a fish
Give a man a fish and he will eat for a day. Teach him how to fish and he will sit in a boat and drink beer all day!