Which sentence best supports the idea that ponyboy's hair was his "pride"

I can’t tell you the exact sentence because You have to quote from the book but Ponyboys hair is his pride. It’s said when Johnny tells Ponyboy they need to dye their hair and Ponyboys at first wants to refuse. This is said when they’re at the church.

Obeying the laws of the United Stated in exchange for freedom/ liberty