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 Mottel leaves home to rebuild his fortune, we learn the importance of staying true to our values.
When a stranger stirs up a commotion in town, we learn an important lesson about listening to our inner voice.