...who presented a calculation on the board which should have equaled one-tenth but she got the answer of 10. I pointed it out. She argued. I assured her that she was wrong.

She went and got a math teacher. The math teacher told her that she had transposed a number in the calculation. She smiled and said, "I knew I was right." She honestly thought the math teacher was agreeing with her.

The bell rang. I left class. However, the conversation between the two teachers continued and he convinced her - finally - that she was wrong. I heard from someone in her next class that she was very angry about it.

The next day when I entered the classroom she told me that if I would just keep my mouth shut and sit there for the rest of the year she would give me an A.