When Janet went to teach English in a school overseas, she found the atmosphere gloomy and depressing. People did their jobs, but no one seemed happy. They didn’t help or encourage one another. But Janet, grateful for all that God had done for her, expressed it in everything she did. She smiled. She was friendly. She went out of her way to help people. She hummed songs and hymns.

Little by little, as Janet shared her joy, the atmosphere at the school changed. One by one people began to smile and help each other. When a visiting administrator asked the principal…