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 Rabi Zayra decides to travel from Bavel to Eretz Yisrael, we learn an important lesson about siezing opportunities.
When Dina and Dafna work on breaking a bad habit, we learn an important lesson about the importance of not rushing to judge things...