What dose ponyboy recite that has a profound effect on johnny?

In "The Outsiders," Ponyboy recites the poem "Nothing Gold Can Stay" by Robert Frost to Johnny. The poem's themes of innocence and the fleeting nature of beauty resonate deeply with Johnny, highlighting his struggles and the harsh realities of their lives. This moment underscores the bond between the two characters and serves as a poignant reflection on the loss of youth and innocence.