"Yeah, we have been involved in some nostalgia. But I would say, you have to know where you came from in order to be more effective in the present and the future. That’s the case in a different way with the book, the stage play and now the film. I have a record of it all, but now, I have to move back into the future, which is where U2 always lived." - Bono on touring since 2017 and 2023, 2025