Mark Twain was asked one day if he could remember the first money he earned.He thought a long time before answering, and then said, 'Yes, it was at school. I can remember everything about it. Schoolboys in those days never respected their teachers and never took care of the things of the school. They often damaged their desks. There was a rule in our school that any boy who damaged his desk with a pencil or a knife would be beaten in front of the whole school or would have to pay five dollars.