One day,while a blind was crossing the street,a truck was going to hit him.Jack ran to him and pulled him back.The man was saved.Jack took him to the other side of the street.The man thanked him for doing that.But Jack didn't wait for his thanks.Jack went to school at once.It was late.The first class had been on.Jack told the teacher what had happened.The teacher asked the other children to learn form him.