Riddle: There lived a man in a house and everytime he went to bed he turned on the light. One night, the man forgot to turn on the light. The next day he read the paper and it said that 1,000 people died in a ship near their city's shore! He sadly went to the police and turned himself in. Why?
Answer: Because he was the lighthouse keeper. And when forget to turn on the light, the ship crashed and killed the 1,000 people!