Hannah Brencher said this quote

All those dotted lines were just the parts of the story where she would get on the ground and get her hands dirty with the mess of it all. The mess and the glory of other people’s hearts and heart songs. She would learn it would take grit, and guts, and courage to make a difference. But the world will always need people who care enough to make a difference, so she needed to not miss her casting call.