What is the most important line in chapters 1-8 in Freak the Mighty?

In chapters 1-8 of "Freak the Mighty," a pivotal line is when Max reflects on his friendship with Kevin, stating that they are "two heads and one brain." This line captures the essence of their unique bond, illustrating how they complement each other despite their differences. It emphasizes the theme of friendship and the idea that together they can overcome challenges that they face individually. Their connection becomes the foundation for their adventures and personal growth throughout the story.