When Ezra finds a new book at his grandparents' house, we learn an important lesson that it's not just what we do, it's how we do it and we should always do things with manners, with Derech Eretz.
When the king's doctor issues a unique prescription, we learn an important lesson about the strength of our tongues.
When Dina and Dafna work on breaking a bad habit, we learn an important lesson about the importance of not rushing to judge things...