what does this quote mean from chapter 22 can you give an explanation and anyalasis please

"Hockey is like the universe, Saul," he said one day. "When you stand in the dark and look up at it, you see the placid fire of stars. But if we were right in the heart of it, we'd see chaos. Comets churning by. Meteorites. Star explosions. Things being born, things dying. Chaos, Saul. But that chaos is organized. It's harnessed. It's controlled.”