He asks, "What's the point of helping people if they don't know you're doing it?"
To which Batman, listening overhead, thinks, "Sometimes I wonder that myself. But I guess the obvious answer is that I'm not doing it for them."
I scratched my head at that part because I always believed that the core fundamental of Batman is that he is doing it for the innocents so that no one else will have to suffer like he did when his parent's died.