John Muir worked at a factory in Canada. He invented time and money saving machines for the factories. But one day an accident changed his whole outlook on life. As he was tightening a machine belt with a file, the file flew out and pierced his right eye. His left eye grew dim to the reaction. John's friends and neighbors tried to help him and brought doctors. Some friends read to him. Children brought him flowers and listened to his stories. He finally began to regain his sight. His employer, grateful for the work that he had done fo ....