* The importance of self-sacrifice: Maggie Tulliver, the protagonist of the novel, is often faced with difficult choices that require her to sacrifice her own desires for the sake of others. She learns that true happiness comes from giving, not from taking.
* The danger of pride: Maggie is also a proud and headstrong person, and her pride often leads her astray. She learns that it is important to be humble and to recognize one's own limitations.
* The value of forgiveness: Maggie is often quick to anger and to judge others, but she also learns the importance of forgiveness. She realizes that holding grudges only hurts herself, and that forgiveness is the key to finding peace.
* The power of love: Maggie experiences two different kinds of love in the novel: the passionate, obsessive love of Stephen Guest, and the quiet, supportive love of Philip Wakem. She learns that true love is not about passion, but about commitment and sacrifice.
The Mill on the Floss is a powerful and moving novel that teaches us important lessons about life, love, and morality. It is a classic work of literature that is still relevant to readers today.