A poor student accepted a job cleaning the home of an elderly woman who lived alone in a narrow alley. When he discovered she was ill and could barely walk, the young man did more than the work he was hired for—he cooked for her, went to the market, and took her to the hospital whenever she felt sick. For many months, the old woman never gave him the money she had promised. But before she passed away, she left a single letter that stunned him.