《公主日记》中的一些经典台词包括：

1. "Time for school! Don't be late for school."

2. "Stop daydreaming. You'll be late for school."

3. "Sometimes I have dreams."

4. "Hey Louie, get up. I picture myself flying."

5. "I don't want to be anybody else, I just want to be me."

6. "The world doesn't owe you a good time just because you look a certain way."

7. "No matter what anyone else says or thinks about you, you have to live your life for yourself."

8. "When you make your own decisions, you can become stronger."

9. "Courage is not the absence of fear, but rather the judgment that something else is more important than fear. The brave may not live forever, but the cautious do not live at all."

10. "To be a princess, you have to believe that you are a princess. You've got to walk the way you think a princess would walk. So, you gotta think tall, you gotta smile and wave, and just have fun."

11. "No one can make you feel inferior without your consent."

这些台词不仅反映了电影中的核心信息，也激励着观众相信自己的内在力量，勇敢地追求梦想，并自信地面对生活的挑战。