 My teacher gave this paper to me inside this envelope and told me not to read it, but to give it to my mother. So his mother reads it and tears start streaming down her face as she read the letter to her child. Your son is a genius. This school is too small for him and doesn't have enough good teachers to train him. Please teach him yourself. Many years later, Thomas Edison's mother died. She'd been dead for some period of time, and he went back looking through old family things.